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Increased Errors Across Multiple Claude Models

·2026.08.24 14:07

Key point

Anthropic announced it is investigating increased errors across multiple models, including Claude Mythos 5, Fable 5, and Opus 5.

Details

As of 05:06 UTC on August 24, 2026, Anthropic confirmed and began investigating increased errors in requests to the Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8 models.

The incident report is updated in real time on status.claude.com, and the discussion post will be removed from the subreddit highlights one hour after the issue is resolved.

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