Who ranks #1 on the Protein Library Ranking leaderboard?
As of September 1, 2026, Claude Mythos 5.1 by Anthropic ranks #1 on Protein Library Ranking at 49.3%. API pricing is $10.00/M input and $50.00/M output.
As of September 1, 2026, Claude Mythos 5.1 is #1 for Protein Library Ranking at 49.3%. Ranked by the Protein Library Ranking score 1 models in this index have a published Protein Library Ranking score. Protein Library Ranking leaderboard with live API prices. Protein Library Ranking — prioritize held-out designs from a wet-lab campaign.
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As of September 1, 2026, Claude Mythos 5.1 by Anthropic is #1 for Protein Library Ranking at 49.3%. Ranked by the Protein Library Ranking score This board also tracks Protein Library Ranking. This protein library ranking leaderboard ranks models by Protein Library Ranking. Scores come from public evals. Prices are the live API rates in the table above.
Sources: OpenAI API pricing (https://developers.openai.com/api/docs/pricing); Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); Gemini API pricing (https://ai.google.dev/gemini-api/docs/pricing)
| Rank | Model | Protein Library Ranking | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Mythos 5.1 | 49.3% | $10.00 | $50.00 |
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As of September 1, 2026, Claude Mythos 5.1 by Anthropic ranks #1 on Protein Library Ranking at 49.3%. API pricing is $10.00/M input and $50.00/M output.
Claude Mythos 5.1 currently leads Protein Library Ranking and is also the cheapest scored model on this page, at $10.00/M input and $50.00/M output ($60.00 blended).
Not automatically. Claude Mythos 5.1 leads Protein Library Ranking, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Protein Library Ranking against input/output price, context window, and related evals.
Scores and API prices on this page are refreshed from published evals and provider rates. The snapshot is labeled September 1, 2026. Treat it as a current index, not a one-off blog post.
Protein Library Ranking — prioritize held-out designs from a wet-lab campaign. This page ranks models that have published a Protein Library Ranking score, with live API token prices on the same row.
This page is the Protein Library Ranking leaderboard. Models are sorted by Protein Library Ranking, with input and output token prices on the same row so you can weigh score against cost. Official boards often omit price; that comparison is the point of this index.
Official eval pages own the methodology. This page keeps the published Protein Library Ranking score next to live API $/M so you can pick a production SKU, not only a trophy number.