Claude Opus 5.5

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Google reveals new Gemini 4 Carbon AI model, narrowly beating Claude Opus 5.5

Claude Opus 5.5 uses 95% fewer em dashes, but its answers are getting longer

Anthropic launches Claude Opus 5.5 with stricter safeguards for cybersecurity

Claude Opus 5.5 delivers Fable 5.1 performance – and costs 40% less

Claude Opus 5.5

Claude Opus 5.5