Anthropic Publishes Claude Opus 5 System Card

Anthropic has published the system card for its new Claude Opus 5 model, documenting its capabilities and safety properties. The release on Hacker News attracted 159 points and 71 community comments.

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💻 Technology Anthropic unveils Claude Opus 5 — near Fable 5 performance at half the cost AntyWeb · 1d ago 💻 Technology Claude Opus 5 Beats Claude 4 on Most Benchmarks at Half the Price Decrypt · 1d ago 💻 Technology Anthropic releases Claude Opus 5 as a cost-efficient everyday AI assistant CNET · 1d ago

More on this topic

💻 Technology Anthropic unveils Claude Opus 5 — near Fable 5 performance at half the cost AntyWeb · 1d ago 💻 Technology Claude Opus 5 Beats Claude 4 on Most Benchmarks at Half the Price Decrypt · 1d ago 💻 Technology Anthropic releases Claude Opus 5 as a cost-efficient everyday AI assistant CNET · 1d ago