Claude 3.7 Sonnet System Card
The 42-page PDF expression served from assets.anthropic.com, inspected 2026-10-28. The card states no publication date; its references are dated February 2025. No date is asserted.
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- Claude 3.7 Sonnet System Card Anthropic · publication date unknown · Retrieved for the candidate pack on 2026-10-28 (SHA-256 82947a46fc2d1b9a1d69501ef973fc3c5b328b703b9a17bd8a143c2672f8a1a6). 42-page PDF as served on 2026-10-28; the request to assets.anthropic.com redirected to https://www-cdn.anthropic.com/9ff93dfa8f445c932415d335c88852ef47f1201e.pdf. The document itself states no publication date; its references are dated February 2025. Retrieved again at admission on 2026-10-30 (SHA-256 82947a46fc2d1b9a1d69501ef973fc3c5b328b703b9a17bd8a143c2672f8a1a6, the same bytes).
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- Issued by: AnthropicAnthropic published the Claude 3.7 Sonnet System Card, which states that its Responsible Scaling Policy evaluations cover chemical, biological, radiological and nuclear risk among the areas of potential catastrophic risk.Date unknown · Stated in source · Supported Inspect claim & evidence ↗Anthropic: institution →
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- states evaluation resultThe Claude 3.7 Sonnet System Card states that ASL-2 safeguards remain appropriate for the model, that its evaluations suggest improved performance in all domains including some uplift in CBRN evaluations, and that on what it observed in recent CBRN testing there is a substantial probability that the next model may require ASL-3 safeguards.Date unknown · Stated in source · Supported Inspect claim & evidence ↗
- states evaluation resultThe Claude 3.7 Sonnet System Card states that Anthropic does not currently run specific evaluations on chemical risk directly because it prioritises biological risks, and that it informs its views through chemical risk analysis performed by the UK and US AI institutes.Date unknown · Stated in source · Supported Inspect claim & evidence ↗
- states evaluation resultThe Claude 3.7 Sonnet System Card states that in one uplift study models provided some amount of uplift to novices compared with participants who did not have access to a model, and that even the highest scoring plan from a participant with model access still included critical mistakes that would lead to failure in the real world.Date unknown · Stated in source · Supported Inspect claim & evidence ↗