Claude Opus 4.5 Uncensored

by Anthropic

Anthropic's standard model

Claude Opus 4.5 was Anthropic's frontier model for coding and agents at release, topping SWE-bench Verified among frontier models, with improved token efficiency and controllable reasoning depth.

  • 200K-token context window
  • Top SWE-bench results at release
  • Reliable long-form writing
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