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Published Jul 13, 2026·Anthropic• Minor

Anthropic announced Claude Opus 4.1 deprecation, with Claude API retirement scheduled for August 5, 2026.

The read

Claude Opus 4.1 users have a retirement date and a named migration target.

The frame

This sits in model deprecations, so builders on Claude API need to move from Opus 4.1 to Opus 4.8.

Primary source

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Related updates

Aug 25, 2026OpenAI models page removed visible model selection documentation text.
Aug 25, 2026Anthropic model card removed Claude Fable 5 and Claude Mythos 5 selection guidance
Aug 25, 2026OpenAI removed business pricing copy listing GPT-5.6 and GPT-Image-2 rates.

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