Anthropic Publishes Opus 5.5 System Card Detailing Safety and Capabilities

Anthropic has released the System Card for Opus 5.5, covering training, evaluations and safety guardrails. Community members are already questioning whether benchmarks like CoBench can survive the new model's capabilities.

2026-09-23 ~ 2026-09-23 · 2 related posts

• Anthropic publishes the Opus 5.5 system card — scaling01 · 2026-09-23
• Opus 5.5 System Card released — is CoBench cooked? — scaling01 · 2026-09-23