Anthropic officially launches Claude Opus 5.5 today
AnthropicAI · x · 2026-09-23
Anthropic's official account announced that Claude Opus 5.5 is available today. The announcement tweet is minimal, with no benchmarks, pricing, or capability details included; expect follow-up documentation and third-party evaluations.
Related event: Anthropic Launches Claude Opus 5.5: Stronger, 40% Cheaper, Tops AA Index(259 posts)→
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