Opus

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Measuring AI Ability to Complete Long Tasks

Elevated errors across many models

Codex, Opus, Gemini try to build Counter Strike

Is Opus 4.5 really 'the best model in the world for coding'? It just failed half my tests

Anthropic Launches Claude Opus 4.5 With Improved Coding and Agent Capabilities

Anthropic web config hints at Claude Sonnet 4 and Opus 4

A24’s Opus blurs the line between fandom and faith in first trailer

Anthropic’s Claude 3 Opus now generally available on Amazon Bedrock