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Preview · early version, more releases are being added · early version

Anthropic · model release

Claude Opus 4.6

Anthropic releases Opus 4.6, a stronger Claude for coding and long-running tasks.

In detail

Anthropic released Claude Opus 4.6 with stronger coding and longer-running agent work, plus a one-million-token context window in beta. Available on claude.ai, the API and major cloud platforms at the same price as before.

Sources

  1. Introducing Claude Opus 4.6 · Anthropic · Primary source

Last checked 11 November 2026.

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