Elevated errors for multiple models
Status Claude
Anthropic is investigating elevated error rates affecting several Claude models across its platforms.Summary
Anthropic is experiencing elevated error rates for requests to multiple Claude models. The affected models include Claude Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, and Opus 4.6. The issue has been identified and a fix is in progress. The incident impacts the claude.ai interface, the Claude API, Claude Code, and Claude Cowork services. The status updates were posted on September 3, 2026.
(Source：Status Claude)