Anthropic Claude Opus 5 launch

Anthropic introduced Claude Opus 5, its latest flagship model, which claims to match Fable 5 performance while costing half as many tokens. The model achieved a 30.2% score on the ARC-AGI-3 benchmark, outpacing GPT‑5.6 Sol.

One continuously updated timeline instead of dozens of separate articles. New developments are appended as the story evolves.

1. AnnouncementJul 24, 2026, 05:59 PM

   Anthropic makes Claude Opus 5 available on AWS Bedrock

   Anthropic announced Claude Opus 5 on AWS Bedrock, delivering higher performance for agentic applications.

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2. 38 min later
   AnnouncementJul 24, 2026, 06:36 PM

   Anthropic announces Claude Opus 5, claiming near‑Fable 5 performance at half token cost

   Anthropic introduced Claude Opus 5, its latest flagship model, which claims to match Fable 5 performance while costing half as many tokens. The model achieved a 30.2% score on the ARC-AGI-3 benchmark, outpacing GPT‑5.6 Sol.

   Read the full story →