Anthropic launches Claude Opus 5.5 with enhanced safeguards against cyberattacks

Anthropic unveils Claude Opus 5.5, its most powerful AI model to date.

Published 2h6 sources✓ ConfirmedNotableupdated 1h

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The fact

The version includes strict safeguards against sandbox escape attempts and risky behaviors.

These enhancements address recent attacks exploiting vulnerabilities in AI systems.

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Auto-synthesis from 6 media sources · identified on September 22, 2026