Anthropic · Reasoning
Claude Opus 5
Anthropic's new flagship, out July 24 at $5/$25 per million input/output tokens, the same price as Opus 4.8, scoring 79.2% on SWE-bench Pro against Opus 4.8's 69.2% and adding a low/medium/high effort toggle. Day-one on the Claude API, Claude Code, Bedrock, Google Cloud and Microsoft Foundry. Anthropic's page states no context length.
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