Anthropic incident

Degraded performance on Claude Sonnet 5

Minor Vendor's status page →

Resolved after 15 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on August 3, 2026.

resolved Aug 03, 2026, 03:29 PM UTC

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

Started
Aug 03, 2026, 03:13 PM UTC
Resolved
Aug 03, 2026, 03:29 PM UTC
Duration
15m
Detected by Pingoru
Aug 03, 2026, 03:13 PM UTC

Affected components

claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

Update timeline

  1. investigating Aug 03, 2026, 03:13 PM UTC

    We are currently investigating this issue.

  2. resolved Aug 03, 2026, 03:29 PM UTC

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

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