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Claude Opus 5 Uncensored

Anthropic's most capable model

About Claude Opus 5

Claude Opus 5 is Anthropic's most capable model, built for work that rewards depth — long analytical chains, software engineering, and writing that has to hold a thread across many steps.

It carries a 120K-token context window and supports extended thinking, so it can reason at length before answering rather than responding from the first plausible direction.

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