Degraded performance on Claude Sonnet 5

Official status page Resolved

Started

Aug 3, 2026 · 15:13 UTC

Resolved

Aug 3, 2026 · 15:29

Lasted

15 min

Affected components

claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork

Updates

1. Resolved

   As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.

   Aug 3, 2026 · 15:29 UTC
2. Investigating

   We are currently investigating this issue.

   Aug 3, 2026 · 15:13 UTC

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