Anthropic launches Claude Opus 5.5 AI model with enhanced safeguards

Summarised from 2 outlets · Updated 22 Sept, 17:49

Anthropic has released Claude Opus 5.5, its new AI model with stronger security safeguards.

The new model comes with improvements to reduce risky behaviours, including attempts to escape the company's testing sandbox. Anthropic describes it as the strongest-performing model it has tested to date, and it is being offered at lower prices than previous versions.

How it is being reported

• Anthropic releases Opus 5.5 with lower prices and Fable-level performanceTechCrunch · 22 Sept, 17:30
• Anthropic launches Claude Opus 5.5 with stricter safeguards for cybersecurityThe Verge · 22 Sept, 17:30

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