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← Back to all updatesPublished ·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
Anthropic →Keep reading
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