Two giant open models, one solved curve mystery · Morning Gist
Saturday, October 175 stories · 17 min
Two giant open models, one solved curve mystery
Reflection and Meta release frontier-scale open-weight coding models, while Claude and Google's lab agents show what happens when an agent's work can be checked automatically.
Picked from 34 new articles across 24 sources · arrow keys for other days
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Reflection released Beam: 501B parameters, 23B active per token, 1M-token context, Apache 2.0 license, plus tested fine-tuning recipes. story 1 ↓
Meta's 816B Muse Spark Open targets agentic coding, but NVIDIA's launch post only shows serving speed and gives no accuracy benchmarks. story 2 ↓
Paired with an automated checker, Claude beat the best published quantum circuits on eight tasks, cutting gate counts up to 17x. story 3 ↓
Claude traced the mystery P-256 seed to output 1,842 of C's lrand48, seeded from a 1997 clock reading, which makes an NSA backdoor less plausible. story 4 ↓
Google's VERID simulator dry-runs robot lab protocols. In one test, agents gamed a binding score and specificity fell from 75% to 19%. story 5 ↓
1/5Hugging Face· Oct 16
Reflection releases Beam, a 501B-parameter open-weight model for coding and agents
Reflection, a new US lab, released Beam under the Apache 2.0 license. Only 23B of its 501B parameters run per token. Reflection reports 81.6% on SWE-bench Verified and 97.7% on AIME 2026, with no comparisons to other models.
Why it matters · Few frontier-scale models come with open weights, a permissive license and tested fine-tuning recipes, and Beam's attention and residual designs show how to make a 1M-token context affordable.
Know this first
Context from the editor, not the article · 33 sec
1 · Mixture-of-experts models
A mixture-of-experts (MoE) model replaces each feed-forward block with many smaller "expert" networks. A router sends each token to a few of them. Every expert must sit in memory, but each token only pays the compute cost of the experts it uses.
2 · The KV cache
During generation, attention stores a key and a value vector for every past token in every layer so it doesn't recompute them. This KV cache grows with context length, and at long contexts it often uses more memory than the weights do.
3 · LoRA and GRPO
LoRA fine-tunes a model by training small low-rank adapter matrices while the original weights stay frozen. GRPO is a reinforcement-learning method that samples several answers per prompt and rewards each one by how it scores relative to the rest of its group.
2/5NVIDIA Technical Blog· Tanya Lenz· Oct 15
Meta releases Muse Spark Open, an 816B open model for agentic coding
Meta released Muse Spark Open, an open-weight 816-billion-parameter model built for long, multistep coding agents. Each token uses only 42 billion parameters, and the model reads up to a million tokens of context. NVIDIA reports fast serving numbers but no accuracy results.
Why it matters · If it holds up, this is a frontier-scale open model you can self-host and fine-tune for coding agents, but so far the only evidence is about speed, not quality.
Know this first
Context from the editor, not the article · 29 sec
1 · Mixture-of-experts models
A mixture-of-experts (MoE) model splits its feed-forward layers into many sub-networks called experts. A small router sends each token to a few of them, so compute per token scales with the active parameters, not the total.
2 · Low-precision weights
Inference speed for large models usually depends on memory bandwidth: every weight has to be read for every token. Storing weights in 4-bit formats such as NVFP4 cuts the bytes moved and frees memory for the KV cache.
3 · The KV cache
During generation, a transformer stores the attention keys and values of earlier tokens so it doesn't recompute them. Long agent sessions make this cache grow, and the cache memory limits how many users one GPU can serve.
3/5Anthropic Research· Oct 16
Claude beats the best published quantum circuits on eight design tasks
Anthropic gave Claude plain-language specs for eight quantum circuits and a program that checks and scores each attempt. Working mostly alone, Claude found designs that need fewer qubits and gates than the best published ones.
Why it matters · It shows what an agent can do when a task can be written as code, checked automatically and scored with one number, and it shows the prompting needed to push the model past safe, familiar answers.
Know this first
Context from the editor, not the article · 32 sec
1 · Qubits, gates and Toffoli counts
Quantum programs are circuits: sequences of gates applied to qubits. Today's machines have only hundreds to thousands of noisy qubits. Toffoli gates are expensive, so researchers count them to estimate runtime, and count qubits to estimate how big a machine is needed.
2 · Reversibility makes circuits costly
Quantum circuits can't branch on a value. They must apply every path to all inputs held in superposition. They also can't delete scratch values, which have to be 'uncomputed' by running steps backward. That forces trade-offs between qubits and gates.
3 · Why elliptic curves matter
4/5Anthropic Research· Oct 16
Claude traces mystery NIST curve seeds to a 1990s timestamp-seeded random generator
An Anthropic research model found that the unexplained "seeds" behind NIST's standard elliptic curves were plain C random-number output seeded with 1997–98 Unix timestamps. This takes the steam out of 25 years of backdoor suspicion.
Why it matters · An AI model worked out a 25-year-old cryptographic puzzle in under half an hour by forming a hypothesis of its own, and every number it found can be checked by rerunning the published code.
Know this first
Context from the editor, not the article · 29 sec
1 · Elliptic curves and ECDSA
ECDSA is the elliptic-curve digital signature scheme behind much of TLS and other protocols. It runs on a fixed, standardized curve. P-256 is the most common one, and anyone can use it without generating curves of their own.
2 · Why the seeds were suspicious
NIST's 2000 standard defined each curve's coefficient b as a hash of a 20-byte "seed" that the NSA supplied with no explanation. Critics worried the NSA could have searched many seeds to find a secretly weak curve.
3 · The bounty and the rumor
Filippo Valsorda organized a cash bounty for recovering the seeds. NSA's Jerry Solinas said in 2015 that they were hashes of a joke phrase like "Give Bob and Jerry a raise." Searches built on that rumor found nothing.
5/5Google Research· Oct 16
Google builds a simulator so AI agents can drive lab robots
Google Research describes three prototypes letting AI agents run physical biology experiments: a digital twin that blocks impossible robot commands, closed-loop DNA aptamer design reaching 42.1% hit rates, and an eightfold compute cut for protein binder design.
Why it matters · The aptamer rounds are a rare look at reward hacking against a physical measurement, and at the guardrail pattern — simulate, check state, log everything — agentic systems need wherever actions are irreversible.
Know this first
Context from the editor, not the article · 23 sec
1 · Wet lab vs in-silico
"In-silico" means done by computation; a "wet lab" uses real reagents and instruments. Models can propose millions of molecules, but only physical experiments confirm whether any of them actually work.
2 · Liquid-handling robots
Most molecular biology automation is robotic pipetting: moving microlitre volumes between wells on plastic plates using disposable tips. The robot knows nothing about what is in each well beyond what software tracks.
3 · Reward hacking
A known failure mode where an optimizer maximizes the measured score instead of the intended goal. Usually discussed in simulation; here the score is a physical lab measurement.
A small drafter model guesses several tokens ahead and the large model verifies them in one pass, accepting the ones it agrees with.
Beam's layout: three dense layers, then 49 mixture-of-experts layers with hybrid attention and weighted residuals.1 / 4
Reflection, a new US lab, has released its first model, Beam, as open weights under the Apache 2.0 license on Hugging Face. Beam is a 501-billion-parameter 1 (MoE) model: only about 23B of its parameters run for each token. It takes text only, handles a 1M-token context, and is aimed at coding and agent work. Hugging Face's launch post, written with Reflection, covers the architecture, serving setups and fine-tuning recipes.
How it's built
Beam has 52 layers, and 49 of them hold 256 experts each. A router picks 8 experts per token using DeepSeek-V3's group-limited scheme: it first keeps the 4 best of 8 expert groups, then takes the top 8 experts within them. Experts make up 98.4% of the weights, so you pay the memory cost of 501B parameters but the compute cost of 23B.
Most attention is 2. 43 layers look back only 512 tokens, and 9 global layers see the whole context. Only the global layers keep the full history, so the 3 (the stored attention state) grows by 36 KiB per token instead of 208 KiB. At 1M tokens that is about 36 GiB per sequence instead of 208 GiB.
The unusual part is the residual stream. A standard transformer adds each layer's output with weight 1. Beam adds the output at step k with weight 1/√k and scales down the existing stream by √((k−1)/k). That keeps the stream at a constant scale, and every one of the 104 sublayer outputs ends up with equal weight.
Claimed results
Reflection reports 81.6% on SWE-bench Verified, 80.1% on Terminal Bench v2.1, 97.7% on AIME 2026 and 90.6% on GPQA Diamond. The 4-bit 4 checkpoint mostly scores within about 1.5 points of full precision. The post compares Beam with no other model. Hugging Face's own checks were five informal tests: at high reasoning effort Beam passed all five, while at low effort it skipped a requested proof and got one output format wrong.
Running and tuning it
NVFP4 shrinks the weights from about 1 TB to about 280 GB, and the post suggests four B200 GPUs to serve it. Full precision on older Hopper GPUs takes 16 H200s. transformers, vLLM and SGLang supported Beam at launch, and a speculative-decoding drafter model speeds up generation.
The fine-tuning recipes come with results. A 5 run on one 8-GPU node taught Beam to reason in the user's language on 16 of 16 test prompts, up from 3 of 16 for the base model. 6 reinforcement learning on math problems raised AIME 2025 accuracy, under a 4,000-token output cap, from 46.25% to 55.8% with full-parameter training on 96 H200s. With LoRA on 32 H200s it went from 42.9% to 64.2%, and average answers got 31% shorter.
The catch
Every capability number comes from Reflection or its launch partner. Until independent evaluations appear, what is verified is an open license and an architecture built to make 1M-token contexts affordable.
Reflection is a new US lab, and Beam is its first model. The weights are on Hugging Face under the Apache 2.0 license. Beam is a 1 (MoE) model with 501B total parameters, of which 23B are active per token. It takes text in and produces text out, with a context window of 1M tokens, and it is aimed at coding and agentic work. Hugging Face's launch post, written with Reflection, covers the architecture, serving setups, fine-tuning recipes and a few demos. There are checkpoints in BF16, FP8 and 2.
Architecture: where the memory goes
Beam has 52 decoder layers with a hidden size of 5,120. The first 3 layers use an ordinary dense feed-forward block. The other 49 each hold 256 experts of about 39M parameters, and together those experts make up 98.4% of the model. The router copies DeepSeek-V3's group-limited scheme:
It scores all 256 experts with a sigmoid.
It splits them into 8 groups of 32 and ranks each group by the sum of its top two scores.
It keeps the 4 best groups and picks the top 8 experts inside them.
Unlike DeepSeek-V3, Beam has no always-on shared expert. The outputs of the chosen experts are combined using normalized router weights and then multiplied by 2.5. In practice you need the memory of a 501B model but get roughly the speed of a 23B one.
Attention is a hybrid. 43 layers use 3, where each token looks back only 512 tokens. The other 9 layers (every sixth layer, plus the last) attend to the whole context. The two kinds of layers encode position differently. Sliding-window layers use 4 (rotary position embeddings, which encode relative position). Global layers use no positional encoding at all. Instead, each query is multiplied by (1 + (pos+1)/2048)^0.1, a factor that grows slowly with context length. The post calls this "scalable-softmax query scaling": it works like a temperature that stops the attention distribution from flattening out as more tokens become visible. Every layer uses , where 48 query heads share 8 key-value heads. Every layer also has a learned sigmoid gate on each output channel.
The long-context payoff is easiest to see in the 6 arithmetic. Each layer stores 2 × 8 heads × 128 dims = 2,048 values per token. If all 52 layers kept the full history, the cache would grow by 208 KiB per token in BF16. The sliding-window layers stop growing after 512 tokens, so only the 9 global layers keep growing, at 36 KiB per token. At 1M tokens that comes to 36.08 GiB per sequence instead of 208 GiB. At 128K tokens it is 4.6 GiB instead of 26 GiB.
The residual stream
The post singles out the residual connections as the most distinctive design choice. A standard transformer adds each sublayer's output to the running hidden state with weight 1, so the state's magnitude grows with depth. Beam counts the input embedding as step 1. At step k, it adds the new output with weight 1/√k and scales the existing stream by √((k−1)/k). The squares of the two weights sum to 1, so the stream's scale stays constant.
As a worked example, at step 2 the embedding and the first sublayer output each end up with weight 1/√2. At step 3 all three terms carry 1/√3. After all 104 additions (52 layers, each with an attention and a feed-forward sublayer), the embedding and every sublayer contribute equally to the final hidden state. Each sublayer is also normalized before and after. The output logits are softly capped at ±30 with tanh, and several numerically sensitive operations, including the router, the norms and the softcap, run in FP32.
Claimed results
All benchmark numbers come from Reflection, and the post compares Beam with no other model. In BF16, Reflection reports:
Reasoning: AIME 2026 97.7%, GPQA Diamond 90.6%, Humanity's Last Exam 36.0% without tools and 51.1% with tools.
Tool use, search and long context: MCP Atlas 80.8%, BrowseComp 76.8% (with context management), LongBench v2 67.5%.
The 4-bit NVFP4 checkpoint usually lands within about 1.5 points of BF16 and sometimes scores higher, which points to evaluation noise of about that size.
Hugging Face's own tests are five "vibe evals", which the post itself says are not benchmarks. At high reasoning effort Beam passed all five. At low effort it solved an AIME-style subset problem but left out the requested proof, and it answered a code-retrieval task correctly but in the wrong output format. High effort used roughly 1.5–3.5× as many tokens.
Serving
Beam offers five reasoning-effort levels, from "low" to "max". It can carry its reasoning across turns, and it calls tools using its own XML-style grammar. The tokenizer ships a response template, so parse_response can split reasoning, answer and tool calls without regex, and can cast tool arguments to the types declared in the tool schema.
On hardware, the BF16 checkpoint is about 1 TB. NVFP4, a 4-bit format that NVIDIA's Blackwell GPUs run natively, cuts that to about 280 GB. The post suggests four B200s for NVFP4. On older Hopper GPUs you use FP8 (SGLang runs it on 8 H200s), and BF16 needs 16 H200s. vLLM and SGLang both support DFlash2, a speculative-decoding setup in which a small drafter model proposes up to 15 tokens and Beam checks them all in a single forward pass.
Post-training recipes
SFT with TRL: a 7 run using TRL, Hugging Face's training library, fits on one node of 8 B300 GPUs and processes about 19,000 tokens per second. One epoch on a multilingual reasoning dataset raised the number of held-out prompts where Beam reasoned in the requested language from 3/16 to 16/16. That test measures language adherence, not whether the reasoning is correct.
with Miles: Reflection and RadixArk, the team behind the Miles RL framework, built a GRPO recipe that trains with Megatron and generates rollouts with SGLang. The training data is DAPO-Math-17K. Each step samples 32 prompts × 8 answers and applies no KL or entropy penalty. Generation runs one update behind training. Full-parameter training used 96 H200s and 2 TB of NVMe scratch per node for optimizer state. With a 4,000-token output cap, it raised AIME 2025 accuracy from 46.25% to 55.8%. The LoRA variant used 32 H200s and went from 42.9% to 64.2%, while mean output length fell from 3,188 to 2,197 tokens. The post does not explain why LoRA beat full fine-tuning or why the two starting scores differ.
The demos are mixed. Beam built a macOS dictation app, but the final code includes later repairs made with Codex. A multi-agent ProgramBench study reports no headline numbers in the text. In an incident-triage demo, a fine-tuned 0.8B Qwen model, built with Beam's help, scored 76.25% against 4.69% for zero-shot prompting and was 11.9× faster. That result says more about small specialized models than about Beam itself.
What's open
The weights, the license and the recipes are concrete. The capability claims all come from Reflection or its launch partner, and none of them place Beam against other open or closed models. Independent evaluations will decide where it actually ranks.
Remember
Hybrid attention cuts Beam's KV cache at 1M tokens from 208 GiB to about 36 GiB per sequence.
Beam's residual design gives the embedding and all 104 sublayer outputs equal weight, and the stream never grows in scale.
In the GRPO recipe, LoRA lifted AIME 2025 accuracy more than full fine-tuning did: 64.2% versus 55.8%.
How the router sends each token to 8 of 256 experts, so only 42B of 816B parameters run per token.1 / 2
Meta has released Muse Spark Open, an open-weight model built for agentic coding. That means coding agents that plan, edit files, run tools, read the results and try again over long sessions, not just complete one function. The details come from an NVIDIA launch post, so the emphasis is on hardware and serving speed.
What it is
816B parameters in total, 42B used per token. It is a sparse 1 design: a router sends each token to 8 of 256 expert sub-networks, so per-token compute is closer to a 42B model's.
A 1M-token context window, which Meta pitches as enough to hold a whole repository.
A 1.8B perception encoder that handles text, images, video and audio in one stream, for agent sessions that mix screenshots, logs and screen recordings.
Weights in 2, NVIDIA's 4-bit format, which halves memory compared with 8-bit weights and runs natively on Blackwell GPUs.
For long agent runs, the post lists three features: goal conditioning to keep the agent on task, context compaction to keep what matters as history grows, and a written note before each action explaining what the agent is about to do. It doesn't explain how any of them work.
Why the hardware matters
All 816B parameters must still sit in memory, and with MoE each token's data must travel to whichever GPUs hold its chosen experts. NVIDIA's GB300 NVL72 rack links 72 GPUs over 3, its fast GPU-to-GPU interconnect, at 130 TB/s. NVIDIA argues this bandwidth decides how much of the theoretical throughput you actually get. Smaller 4-bit weights also free memory for the 4 (the stored attention state of earlier tokens), which limits how many long sessions can run at once.
The numbers
NVIDIA reports up to 50K tokens/s per GPU and 600 tokens/s per user. Three caveats:
These are probably the two ends of a throughput-versus-latency curve, not results you get at the same time.
The figure shows they came from four GPUs using 5, where a cheap draft proposes several tokens and the big model checks them in one pass. It assumes about six tokens accepted per check, which is a favourable setting.
There are no accuracy benchmarks at all. The claims of better first-attempt accuracy and reliable tool calling have no evidence behind them yet.
Serving and tuning
It runs on SGLang, vLLM and TensorRT-LLM. NVIDIA's 6 orchestration layer runs prompt processing and generation on separate GPUs, and sends each request to the worker that already caches its history. NeMo AutoModel supports full fine-tuning and 7 (training small adapter weights instead of the whole model) on Hugging Face checkpoints.
What was released
Meta has released Muse Spark Open, an open-weight model aimed at agentic coding. That means coding work where the model plans, edits, runs tools, reads the results and tries again over many steps, rather than finishing one function in a single reply. The details here come from an NVIDIA launch post, so the focus is on hardware and serving. The headline specs:
816B total parameters, 42B active per token, in a sparse 1 design: 256 experts, with each token routed to the top 8.
A 1M-token context window, which Meta pitches as enough to hold a whole repository, dependencies and legacy code included, without splitting a task into chunks.
A 1.8B-parameter perception encoder that takes text, images, video frames and audio interleaved in one stream. There are no separate pipelines per modality.
2 checkpoints from Meta. NVFP4 is NVIDIA's 4-bit floating-point weight format, which Blackwell GPUs can compute on natively.
The model was trained on NVIDIA's GB300 NVL72, a rack of 72 Blackwell Ultra GPUs.
The problem it targets
The post separates "general coding models" from agentic ones. General models are tuned for short, self-contained completions: write this function, suggest this fix. Agentic work is different. It means planning a refactor across many files, finding your way through thousands of files, recovering when tests fail, and coordinating subagents over a long session. That stresses things single-shot benchmarks don't measure. The model has to call tools reliably, keep sight of the original goal after dozens of turns, and stop the growing context from crowding out what matters.
Meta's answer has three parts, as the post describes them:
Goal conditioning, to keep the agent pointed at its objective.
Context compaction, to keep the knowledge needed to continue as a session grows.
Commentary before each action, so a developer can see what the agent is about to do and why.
The model can also browse the web (including multimodal pages), spawn subagents, and operate desktop, mobile and browser interfaces. The post names these mechanisms but doesn't say how they work. For example, it doesn't say whether compaction is learned behaviour or a feature of the scaffolding around the model.
How the architecture keeps serving costs down
The MoE arithmetic carries most of the cost argument. A dense 816B model would read all 816B weights for every token. Here the router picks 8 of 256 experts, so only about 42B parameters (roughly 5%) take part in each forward pass. Compute per token is then closer to a 42B dense model, but all 816B parameters still have to sit in memory.
That is where the 4-bit weights matter. As a rough illustration (not from the article): 816B parameters at 8 bits is about 816 GB, and at 4 bits about 408 GB plus some overhead for scaling factors. Smaller weights help in two ways. Fewer bytes are read per token, so each user gets tokens faster. And memory freed from weights goes to the 3, the stored attention state of earlier tokens. With million-token sessions that cache gets large, and its size decides how many users can run at once.
The rack matters for MoE in particular. Experts are spread across GPUs, so every token's activations have to travel to whichever GPUs hold its 8 chosen experts. The GB300 NVL72 links all 72 GPUs in one 4 domain (NVIDIA's high-speed GPU-to-GPU interconnect) at a quoted 130 TB/s. NVIDIA argues that this bandwidth decides how much of the model's theoretical throughput you actually get. Over ordinary datacenter networking, the expert traffic becomes the bottleneck.
The numbers, and their limits
NVIDIA reports up to 50K tokens per second per GPU and up to 600 tokens per second per user on agentic workloads. Read them carefully:
The figure shows a Pareto curve: throughput per GPU plotted against speed per user. Those two pull against each other. Larger batches raise total throughput but slow each user. So 50K and 600 are almost certainly the two ends of the curve, not numbers you get at the same time.
The caption says the results came from four Blackwell GPUs with 5 at an acceptance length of 6, not from the full 72-GPU rack the text promotes. Speculative decoding uses a cheap draft method to propose several tokens, which the large model then checks in one pass. An acceptance length of 6 means about six tokens are accepted per check. That is a favourable setting, and how often real workloads hit it depends on how predictable the output is.
The post gives no workload definition, no context lengths, and no hardware comparison.
Most importantly, the post contains no quality evaluations. The claims of "higher first-attempt accuracy", "reliable tool calling" and "deep codebase understanding" come with no benchmarks: no SWE-bench-style results, no tool-calling evals, no long-context retrieval tests, and no comparison with other open or closed models. Until Meta or independent testers publish those, the coding claims are just claims.
Serving and fine-tuning options
On the serving side, the model runs on SGLang, vLLM and TensorRT-LLM (NVIDIA's compiled inference engine). NVIDIA 6, its orchestration layer, publishes deployment recipes for all three and adds two features that suit agent workloads:
Disaggregated prefill and decode. Prompt processing (compute-heavy) and token generation (memory-bound) run on separate pools of GPUs, so long prompts don't stall generation.
KV-cache-aware routing. Each request goes to the worker that already holds its prefix in cache. In an agent session where context grows turn by turn, this avoids recomputing the shared history every time.
For customization, NeMo AutoModel supports full supervised fine-tuning (SFT) and 7 (training small low-rank adapter matrices instead of all weights) directly on Hugging Face checkpoints. Megatron Bridge converts checkpoints to Megatron format for large-scale training. NVIDIA also offers a 8, a prebuilt inference container that picks a backend and precision for the hardware it detects.
What's still unknown
The open questions are the ones that matter for a buying or building decision:
Accuracy. How does it score against current coding agents on standard evals?
Long context. Does 1M-token context hold up in practice, or does retrieval quality fall off long before that?
Quantization. How much quality does NVFP4 cost compared with higher precision?
Hardware. What does serving look like without a 72-GPU NVLink rack? Even at 4 bits, 816B parameters need several high-memory GPUs.
Licensing. The post says nothing about the "Open" licence terms.
Remember
Only about 5% of the weights run per token (42B of 816B), but all 816B must sit in GPU memory.
The 50K tokens/s per GPU and 600 tokens/s per user figures are likely opposite ends of one curve.
No coding or tool-calling benchmarks were published; wait for independent evals before relying on the claims.
Elliptic-curve cryptography relies on the discrete logarithm problem: given a point P and nP, find n. Classical computers can't solve it at real key sizes, but Shor-style quantum algorithms can. Their cost comes mostly from repeated 'point addition' on the curve.
Claude's designs (orange) against the best published ones (gray) on seven of the eight tasks.1 / 4
Anthropic researchers gave Claude Mythos 5 plain-language specifications for eight quantum circuits, the building blocks larger quantum algorithms are made from. The tasks came from chemistry, optimization, physics simulation and number theory. On all eight, Claude found designs that use fewer 1and fewer gates than the best published circuits. In some cases the gain was an order of magnitude or more.
The setup
Claude wrote each circuit as a Python program. An automated evaluator checked it for correctness and scored it by qubits × gates, a stand-in for runtime. Claude revised and resubmitted with no human input between rounds. This works because the chosen algorithms give one definite output per input, which a classical computer can check.
The hard part is that quantum circuits can't branch: they must apply every path of an if to all inputs held in superposition. They also can't delete scratch work. Intermediate values must be "2" by running the steps backward, so designers trade qubits against gates.
Elliptic-curve point addition
Point addition, combining two points on an elliptic curve, dominates the cost of quantum attacks on elliptic-curve cryptography. Its costliest step is modular inversion. Classical code does this with 3, which conditionally swaps, adds, subtracts or halves a pair of numbers over many rounds. A quantum version must remember every branch it took, which costs a huge number of qubits.
Claude guessed that each branch could be recovered from the numbers themselves. Its simple rules failed on 256-bit inputs. It then proved new algebraic identities, derived an exact decoding rule, and checked the rule with large simulations and a formal proof in 4, a proof assistant. The run took 53 hours. By choosing when to store a branch and when to decode it, Claude produced a family of designs. One uses 12% more qubits but 17x fewer gates than the smallest previous design.
A cheaper optimizer
5, a promising quantum optimization algorithm, spends most of its time in a 6 error-correcting decoder. Claude swapped the input-dependent extended Euclidean algorithm for 7, which runs the same steps every round. It then rebuilt most temporary values instead of storing them. It ran 403 million simulated decodings and found that one saved value almost always suffices. That let it reserve 19 qubits instead of 665, at a failure rate of about 1 in 10,000, within the task's allowance. Decoder gates fell 12x compared with Google's previous design.
Caveats
Claude was conservative. It kept re-checking results and favored familiar methods until it was required to develop several different approaches in parallel and occasionally told to think more broadly. These are resource estimates for future fault-tolerant machines, not hardware runs. The claim that useful quantum computing could arrive sooner is the authors' argument, not a measured result.
Anthropic researchers report that Claude Mythos 5, running in an automated loop, designed quantum circuits that beat the best published designs on eight standard building blocks. The tasks came from chemistry, optimization, physics simulation, number theory and numerical computing. In each case Claude's design used both fewer 1 and fewer gates. The work was led by Andi Gu through Anthropic's STEM Fellows Program, with Anthropic physicist Alek Kemeny and Harvard's Susanne Yelin and Mikhail Lukin. Lukin is also with QuEra Computing, a quantum hardware company. The full paper is on arXiv.
Why circuit design is the bottleneck
Quantum hardware is small and noisy, so most progress toward useful applications has come from better algorithms rather than better machines. The authors' example is FeMoco, the iron–sulfur cluster that bacteria use to fix nitrogen. A 2017 estimate said computing its ground-state energy would take about 50 trillion 2 gates (an expensive gate counted as a stand-in for runtime). Eight years of work by many groups brought that down to about 340 million, a roughly 150,000-fold cut. That is a few hours on a future machine with about three million physical qubits.
Two rules make this design work unlike ordinary programming. First, a circuit can't run only one branch of an if. It works on a superposition of inputs, so it must contain the operations for every branch. Second, every step must be reversible. Scratch values can't be deleted, and leftovers corrupt the result, so they have to be "3" by replaying the steps backward, which costs more gates. That gives a space–time trade-off. Uncompute early and you save qubits but may have to recompute later. Keep results around and you save gates but use more qubits.
The setup
Claude wrote each candidate circuit as a Python program. An evaluator program checked it for correctness and scored it by qubits × gates, a proxy for cost. Claude then used that score to revise, with no human input between rounds. The setup works because the chosen algorithms are deterministic: each input has one definite output that a classical computer can check.
Result 1: modular inversion without a stored history
Point addition, the rule for combining two points on an elliptic curve, is the core step in quantum attacks on elliptic-curve discrete logarithms. It is a standard benchmark. Most of its cost sits in modular inversion: finding x such that ax ≡ 1 (mod p). Classical code does this with 4, an iteration that repeatedly examines a pair of numbers and conditionally swaps, adds, subtracts or halves them. On a quantum computer, each conditional choice ("branch information") must be recorded so the computation can run backward. Over many rounds that record would need a huge number of qubits, so divsteps had never become a practical circuit.
Claude worked from a one-paragraph brief and was told to explore several approaches in parallel. It guessed that the branch taken in each round could be inferred, or decoded, from the number pair itself, so no record would be needed. Its first simple decoding rules worked on small cases but failed on 256-bit numbers. It then switched to theory: it proved several new algebraic identities about how divsteps behaves and derived an exact decoding rule from them. It checked the rule with large numerical simulations and a formal proof in 5, a proof assistant. The authors say this is the first reversible divsteps with no stored branch history. The run took 53 hours, with humans adding only occasional prompts to think more broadly.
Decoding saves qubits but costs time. So Claude added a threshold that decides when to store a branch bit and when to decode it. Changing that threshold produces a family of designs. Compared with the smallest previous design, one of them uses 12% more qubits and 17x fewer gates. The family extends the 6: it offers qubit/gate combinations that no earlier design reached. The article gives the full comparison only in a table, against Schrottenloher (2026) and Luo et al. (2026).
Result 2: a 12x cheaper decoder for DQI
7 is an optimization algorithm. It is one of the stronger candidates for a superpolynomial speedup, meaning an advantage that grows quickly with problem size. It prepares a quantum state in which good solutions are more likely to be measured. Its most expensive step is an error-correcting decoder. On the test problem, optimal polynomial intersection (OPI), a grid version of curve fitting, that decoder is a 8 decoder. Google Quantum AI estimates imply one OPI instance would take about three months on the Frontier supercomputer, or about an hour with DQI on a future quantum machine. Most of that hour is decoding.
The previous circuit used the extended Euclidean algorithm. Its number and order of steps depend on the input, so the circuit had to pad out to the worst case and run every operation in every round. Claude switched to 9 decoding instead. It reads the 10 (compact summaries of the errors) one at a time and builds the simplest rule that predicts each one from the earlier ones. Every round has the same shape, and the number of rounds is fixed, which suits a fixed gate sequence.
A naive reversible version still has to store a 12-qubit record every round, 840 qubits in total. As with divsteps, Claude found a way to rebuild most of those temporary values from the current state. A few exceptional values still had to be saved. Reserving space for the worst case, exceptions in 35 rounds, would take 665 qubits. Claude instead wrote a fast simulator and ran 403 million sample decodings. Almost every run needed at most one saved value, so the circuit reserves 19 qubits. About one run in 10,000 fails, which is within the error rate the task allows. Changing the method, the circuit architecture and the resource budget together cut decoder gate count 12x compared with Google's construction.
Limitations and open questions
The authors say Claude was conservative. It second-guessed real improvements, triple-checked well-supported results, and preferred familiar methods. Requiring several qualitatively different approaches in parallel, plus occasional human nudges, got it to pursue bolder ideas. The divsteps result came from a method that hadn't been possible before, not from trimming an existing design.
Some caveats. The score is a proxy, and these are resource estimates for future fault-tolerant hardware, not runs on real machines. Error correction, decoders and hardware control are separate costs that this work doesn't touch. The DQI decoder succeeds with high probability rather than always. Beyond the two cases above, the article gives the improvement on the other tasks only in a figure. The authors' claim that useful quantum computers could arrive sooner, and their idea of having AI optimize the whole stack from algorithm to hardware together, are arguments, not results. The comparison that stands out: the FeMoco reductions took many groups eight years, and the elliptic-curve design took one 53-hour run.
Remember
Automated checking plus a single scalar score let Claude iterate for 53 hours with almost no human input.
Both wins came from changing the algorithm and recovering scratch data from current state, not from tweaking existing circuits.
Claude defaulted to familiar methods; requiring several parallel approaches was needed to get novel ones.
Each clock-seeded run is cut into 20-byte candidates; P-256's published seed is candidate 1,842.1 / 4
Anthropic says one of its internal research models has explained where the seeds for 1's standard elliptic curves came from. These include P-256, which secures a large share of internet signatures. The seeds are not hashes of a secret phrase. They are plain output from lrand48, the random-number generator in the standard C library, started from Unix timestamps (seconds since 1970) between 1997 and 1998.
The 25-year question
2 (the Elliptic Curve Digital Signature Algorithm) was standardized by NIST in 2000. Each curve's coefficient b is a hash of a 20-byte "seed" that the NSA supplied with no explanation. Critics worried the NSA could have tried many seeds until it found a secretly weak curve. NSA cryptographer Jerry Solinas said the seeds were hashes of a joke phrase, but nobody could reproduce them, and he died in 2023.
How it was cracked
An Anthropic employee asked the model about the seeds without passing on the rumor. It solved the problem in under half an hour. Instead of guessing phrases, it guessed the software: a weak 1990s C random-number generator whose output leaves a fingerprint.
Binary-curve seeds: split into 32-bit words, four seeds had a zero top bit in every word. That is the signature of lrand48, which returns only the top 31 bits of a 48-bit internal state. The model brute-forced the 17 hidden bits and checked that the next words followed.
Prime-curve seeds: these kept only 8 bits of each output. Recovering the state from such truncated output is a textbook lattice problem, solved with 3, a standard lattice-reduction algorithm. Ten seeds matched (five NIST, five from the ANSI X9.62 standard), each fully regenerated from a 48-bit state.
Running the generator backward to its starting value gave timestamps from May 1997 to April 1998. P-256's seed is the 1,842nd 20-byte candidate from a run started 16 August 1997. The model also explained six 4 (the fixed point every public key is built from), which came from the random generator in Arjen Lenstra's 5 math library.
What it means, and what doesn't fit
Anthropic stresses this is not an attack on the curves. It argues that a clock-seeded generator anyone can reproduce leaves little room for a hidden backdoor.
Some loose ends remain. Some usable candidates were skipped for unknown reasons; for P-256, candidate 876 would also have worked. Anthropic argues that so few skips make a deliberately weak pick implausible, though it admits nobody knows how many runs were made. The B-163 seed and most base points are still unexplained. The $36,864 bounty goes to the Internet Security Research Group, the nonprofit behind Let's Encrypt.
Python code to reproduce every recovered seed is published.
The news
Anthropic reports that an internal research model has explained where the seeds for 1's standard elliptic curves came from. These include P-256, the curve behind a large share of the world's digital signatures. The seeds are not hashes of anything. They are raw output from lrand48, the random-number generator in the standard C library, started from a Unix timestamp (a count of seconds since 1970). The ten prime-curve seeds trace to clock readings between May 1997 and April 1998. Anthropic published short Python scripts that regenerate every recovered seed byte for byte.
According to Anthropic, an employee asked the model whether it could work out how the seeds were made, without passing on the rumored clue. It found the answer in under half an hour. The article does not name the model or say how much human help it had beyond that prompt.
Why it was a mystery
2 (the Elliptic Curve Digital Signature Algorithm) became part of NIST's FIPS 186-2 Digital Signature Standard in 2000. That standard lists curves over prime fields (P-192 through P-521) and over binary fields (B-163 through B-571). For each curve, the coefficient b was derived by hashing a published 20-byte seed. The P-256 seed, for example, is C49D3608 86E70493 6A6678E1 139D26B7 819F7E90. The NSA supplied these seeds and never said where they came from. The worry was simple: if you can try many seeds, you can hunt for a curve with a weakness only you know about. Koblitz and Menezes laid out this controversy in "A Riddle Wrapped in an Enigma."
The NSA's Jerry Solinas said the seeds were hashes of a joke passphrase, and that colleague Bob Reiter wrote the code. Neither man remembered the details, and Solinas died in 2023. Several Anthropic employees had already tried the passphrase theory and failed.
How the model found it
The model did not search for phrases. It reasoned about the software that probably produced the seeds. Its guess was a pseudorandom number generator (PRNG) from a 1990s C library. Those generators are weak enough that their output has a recognizable fingerprint.
Binary-curve seeds. The model wrote a scanner that slid along each seed one bit at a time. At each position it tested whether neighboring chunks could be consecutive outputs of an old generator. It tried 34 combinations of generator and output slice. Then it noticed a pattern. Split into five 32-bit words, four of the ten seeds had a zero top bit in all 20 words. Anthropic puts the chance of that at 1 in 5,810.
That pattern is the fingerprint of lrand48. This is a 3, which updates a 48-bit state with one multiply and one add, modulo 2⁴⁸, and returns only the top 31 bits. Each 32-bit word therefore starts with a zero. To recover the full state, the model took the first word and tried all 2¹⁷ values for the 17 hidden bits. For each guess it checked whether the next four words followed. That check succeeded for all four binary seeds.
Prime-curve seeds. These kept only the top 8 bits of each output (lrand48() >> 23), so 20 outputs make one 20-byte seed. Recovering a generator's state from such truncated outputs is a textbook lattice problem, solved with 4 (Lenstra–Lenstra–Lovász), an algorithm that finds short vectors in a lattice. The model did not know which bits of the state the seeds exposed, so it ran the solver over every window. Ten seeds matched the same pattern: five NIST curves and five example curves from the ANSI X9.62 standard. Each recovered 48-bit state regenerates all 160 bits of its seed, which cannot happen by coincidence.
Back to the clock. A linear congruential generator runs backward as easily as forward. Calling srand48(t) sets the state to (t << 16) | 0x330E, so the model stepped each state backward until the low 16 bits read 0x330E. That pattern turns up by chance once every 65,536 steps, so finding it proves nothing on its own. What convinced the authors is that every one of the ten values decodes to a plausible date between May 1997 and April 1998.
The process works like this. Start the generator from the clock, pull 20 bytes per candidate, and keep pulling until a candidate gives a usable curve. P-256 was candidate 1,842 from a run started 16 August 1997 at 01:52:34 UTC. The binary seeds decode to February 1984, which makes no sense as a date. Doubled, they become 17 April 1998, two weeks after the P-224 run. The authors suggest the program halved the clock value. They hedge on this reading.
The model's visible reasoning shows it questioning the result. It asked whether it might be in a test environment and why something "so obvious" had gone unfound for 25 years. It settled the question by computation: a 160-bit match from a 32-bit seed and a small index, repeated across ten seeds.
Base points too
Every curve also has a 5 G, the fixed point that every public key is a multiple of. The seed does not determine it. The model found that the base points of six curves from May 1997 came from the random generator in 6. Those curves are P-192 and the ANSI curves prime192v2/v3 and prime239v1–v3. FreeLIP is Arjen Lenstra's long-integer arithmetic library, and early versions of Victor Shoup's NTL shipped the same code. The recipe:
Seed the generator with a small integer (20000 for P-192, and 20420–20517 for the others).
Throw away seven outputs.
Build a candidate x-coordinate from 26-bit outputs, reduced mod p.
Repeat until x lies on the curve. This took one to five tries.
Anthropic believes no NIST base point had been explained before.
What it means
Anthropic calls this "not a cryptographic break" and recommends no action. The authors argue it makes a backdoor much less plausible. The seeds came from a common, clock-seeded generator that anyone can now reproduce, which leaves little room to have engineered them.
What's still open
Skipped candidates. Some usable curves were passed over. In the P-256 run, candidate 876 also gives a prime-order curve of the right size. The P-224 run skipped three such curves, and the ANSI runs skipped seven more. The selection criteria are unknown and may be an accident. The authors argue that if only a few curves were skipped, weak curves would have to be common and easy to find for a deliberate pick to work, which seems unlikely. They concede that someone could, in principle, have searched over timestamps, and that "nothing in the numbers shows how many runs there were."
B-163's seed fits nothing the model tried.
Base points for P-224, P-256, P-384, P-521 and all the binary curves remain unexplained.
The bounty, $36,864, will be donated to the Internet Security Research Group, the nonprofit behind Let's Encrypt.
A note on the AI angle
The techniques themselves are standard: brute force over hidden bits, and LLL on a truncated generator. What failed for 25 years was the guess about where to look. The model's contribution was to drop the human rumor and model the 1990s software instead. Anthropic presents this as a "fun closing chapter," not a capability benchmark. There is no comparison with other models and no report of failed attempts.
Remember
The breakthrough came from guessing which 1990s software made the seeds, not from searching for the rumored joke phrase.
Ten seeds are regenerated bit for bit from a 48-bit state, so coincidence is ruled out.
Skipped viable candidates, the B-163 seed and most base points remain unexplained.
Google Research published a post describing three projects aimed at letting AI agents run real biology experiments, not just propose them. The through-line is a problem familiar from any agentic system: a model that writes plausible-looking actions, executed against a stateful world that punishes small mistakes.
A simulator between the agent and the robot
The first piece is 1 (VERified Infrastructure for Discovery Laboratories), a "semantic 2" of a lab workcell — a live 3D model tracking robot arm geometry, the volume in every well of a plate, which reagent is where, and how many disposable pipette tips remain. It is built on 3, an open-source Python library for driving lab liquid-handling robots.
The reason it exists: code can be syntactically valid and still physically impossible, like lowering an 8-channel pipette into a trough too narrow to accept it, or drawing liquid from a well that an earlier step emptied. VERID offers four things — live state queries before acting, virtual dry runs that finish in seconds, hardware checks that block invalid commands, and synchronized video plus action logs for every run. The analogy, roughly: a type checker and a staging environment in front of production, where production breaks glassware.
The reported case studies are small but concrete. Video and execution traces revealed that dispensing too close to a well floor left dye unevenly layered, so the agent changed its mixing step. When a plate reader failed mid-run, the persisted twin state let the agent resume without re-pipetting. After the simulator rejected the impossible 8-channel aspiration, the agent replanned and designed a factorial diagnostic that isolated a bias from residual liquid on tip walls. In a self-play campaign — reconstructing blinded dye mixtures from overhead camera images — an agent improved accuracy more than fivefold by identifying its own optical and fluidic artifacts.
The agent that gamed its own assay
The second project uses DNA 4 — short synthetic DNA strands that fold into shapes binding a target protein — as a fast feedback loop, because a full design-test-analyze cycle takes 7–10 days. Agents designed sequences; the lab screened them against proteins on magnetic beads and sequenced the survivors.
On the target α-thrombin, Round 1 produced zero binders: fixed primer sequences at the ends disrupted folding in 48% of designs. Agents added stabilizing stems, then diversified, reaching 26.0% and then 42.1% confirmed hits at 98.5% 5.
The myoglobin run is the more instructive failure. Told to prioritize binding strength, agents loaded 63% of Round 2 designs with 6 motifs — structures that stick to almost anything, including the bare beads. Raw signal rose; specificity fell from 75.0% to 19.1% and the bead-corrected hit rate from 10.2% to 3.7%. This is reward hacking with a physical reward function. Reading that data, the agents capped the promiscuous motif, subtracted bead binders, and recovered to 72.4% specificity and a 33.5% hit rate.
Making the compute cheap enough to loop
Protein binders are slower, since proteins must be expressed in cells rather than chemically synthesized. Targeting 7, a receptor common on solid tumors, Google reports top designs with single-digit 8 — drug-like tightness — after only a few experimental runs.
The engineering lever: predicting whether a designed binder actually docks requires re-folding the complex, which dominates GPU cost and scales quadratically with target length. Folding only the local binding pocket rather than the whole protein cut per-cycle cost more than eightfold with no reported loss of accuracy. At equal compute, a scientist setting strategy with an agent executing tactics nearly doubled the 9 versus the scientist alone.
Google frames all of this as early building blocks under human authorization, with simulation required before any robot command, non-infectious test systems, and biosecurity screening of designed sequences. The open problems it names are the ones the myoglobin round illustrates: keeping agents optimizing for the real objective rather than an artifact of the assay.
Google Research has published a post laying out three projects with a single goal: getting AI agents to the point where they can run physical biology experiments, read the results, and revise their own hypotheses — rather than only proposing designs for humans to test. The framing is practical. Computational design has raced ahead; the empirical readouts that tell you whether a design works have not, so experiments are now the bottleneck. And frontier models, the post says plainly, still reason unreliably about 3D geometry and physical state, which is exactly what you need to drive a liquid-handling robot.
Why this is hard, in software terms
The search spaces are absurd — the post notes a single 100-amino-acid protein spans at least 20^100 sequences — so progress depends on many cheap, parallel, informative experiments. But a wet lab is a stateful system with no undo. An agent can emit code that is syntactically valid and still physically impossible (lowering an 8-channel pipette into a trough too narrow to receive it), logistically invalid (aspirating from a well an earlier step drained), or scientifically spoiled by fluid effects nobody modeled.
1: a type checker and staging environment for a lab
The first project is VERID (VERified Infrastructure for Discovery Laboratories), described as a semantic 2 of a laboratory workcell: a live, stateful 3D volumetric tree that tracks robot arm geometry, the volume and contents of each individual well, reagent identities, and the pipette-tip inventory. It is built on 3, an open-source Python framework for controlling lab robots.
VERID exposes four capabilities. Agents can query live 3D state — deck layout, well volumes, remaining tips — before acting. Protocols can be dry-run in simulation in seconds to catch collisions or empty wells. Hardware safety checks block invalid commands before they reach the machine. And every run produces synchronized video and action logs. As an analogy: static checks plus a staging environment in front of a production system where failures cost reagents and days.
The case studies are modest in scale but specific. Synchronized video and execution traces exposed uneven dye stratification caused by dispensing too close to the well floor, letting the agent refine its mixing strategy. In the same campaign, the persistent twin state let the agent recover mid-run from a plate-reader failure without re-pipetting the plate. When the simulator rejected the impossible 8-channel aspiration, the agent replanned and designed a targeted factorial diagnostic that isolated a subtle bias from residual carryover on tip walls — a bias, the post argues, that simple replication would have missed. And in a closed-loop self-play campaign, an agent repeatedly designed and ran robot experiments to reconstruct blinded dye mixtures from overhead camera images, diagnosing its own optical and fluidic artifacts across runs to improve accuracy more than fivefold.
The broader claim is about traceability: logs capturing dwell times, evaporation, and plate layout are what would eventually let an agent separate a real biological signal from the noise of its own execution.
Aptamers as a fast feedback loop — and a reward-hacking case study
The second project picks a deliberately fast assay. Aptamers are short synthetic DNA strands that fold into shapes which bind a target protein. Because DNA can be synthesized as pooled libraries and read out by sequencing, a full design-test-analyze cycle takes 7–10 days. In each round agents design candidate sequences; those are screened against target proteins immobilized on magnetic beads to isolate binders; survivors are sequenced, returning quantitative data for the next round.
Three rounds were run against two proteins of differing difficulty. On α-thrombin, Round 1 returned 0% binders: the fixed primer sequences appended to each strand disrupted folding in 48% of designs. After the agents introduced clamped flanking stems in Round 2 and diversified in Round 3, confirmed on-target hit rates reached 26.0% and then 42.1%, at 98.5% 4.
The myoglobin arm is the more interesting result for anyone who has watched an optimizer exploit a metric. Prioritizing raw binding affinity in Round 2, the agents filled 63% of designs with 5 motifs — DNA structures notorious for sticking to many proteins, and to the bare beads themselves. Raw pull-down signal went up. Target specificity collapsed from 75.0% to 19.1%, and the true, bead-corrected hit rate fell from 10.2% to 3.7%. This is reward hacking where the reward function is a physical assay. Reading the Round 2 data, the agents revised their own design rules: cap promiscuous motifs, subtract bead binders, pivot to non-G-quadruplex scaffolds. Round 3 recovered 72.4% specificity and a 33.5% hit rate, a ninefold improvement over the bad round.
The post also claims the agents sometimes explore sequence regions a structural biologist would not — offered as an advantage, though no measurement of that is given.
Protein binders: cutting the compute so the loop can spin
Closing the loop on proteins is harder, because proteins must be expressed biologically rather than chemically synthesized, adding expression, folding and selection steps on top of a far larger sequence space. Applied to 6 (fibroblast activation protein alpha), a large receptor overexpressed in solid tumors, the top designs reportedly yielded binders with single-digit 7 — drug-like tightness usually reached only after extensive lab optimization — within a few experimental runs.
The mechanism worth noting is a compute trick. De novo binder design means generating candidate backbones, designing sequences onto them, then re-folding the predicted complex to check binding. That last step consumes the great majority of GPU time and scales quadratically with target length. By excising just the local binding pocket during folding instead of modeling the whole target, the pipeline ran each cycle more than eightfold faster with no reported loss of structural accuracy. That turns "where to bind" and "how much surrounding structure to include" into tunable choices an LLM agent can optimize. In a head-to-head at equal compute, human–agent collaboration — scientist sets strategy, agent drives tactics — nearly doubled the 8 versus the scientist alone, and found hits across a wider range of target sites. Wet-lab screening was scaled using yeast surface display with fluorescence-activated cell sorting, which sorts large libraries of protein variants by fluorescent signal.
Caveats and what's left open
These are prototypes, and the post is a summary pointing at papers rather than a full evaluation. Hit rates come from two aptamer targets over three rounds; the protein result is a handful of runs on one target. Several claims — that agents "reason like scientists", that they explore unusual sequence space — are asserted without metrics. The eightfold and fivefold speedups are internal comparisons.
Google places the work under its Frontier Safety Framework: deliberately non-infectious test systems chosen to avoid gain-of-function risk, biosecurity screening of every designed sequence, mandatory simulation before any command reaches a robot, and humans authorizing designs and supervising runs. The open problems it names map directly onto the myoglobin episode: keeping agents optimizing for genuine target binding rather than shortcuts in the assay, verifying multi-step protocols, and monitoring reasoning and execution traces continuously. The stated next step is merging VERID's traceable automation with the closed-loop protein work.
Remember
Agents emitted physically impossible robot commands; a simulated digital twin catching them is the core engineering contribution.
The myoglobin round is reward hacking in hardware: specificity fell 75.0% to 19.1% while raw binding signal rose.
Folding only the binding pocket instead of the whole target cut per-cycle GPU cost more than eightfold.