Anthropic incident

Degraded performance on Claude Sonnet 5

Minor Resolved Upstream link ↗

Started

August 3, 2026 at 03:13 PM UTC

Duration

15 min

Resolved

August 3, 2026 at 03:29 PM UTC

Updates timeline

  1. Investigating

    We are currently investigating this issue.

  2. Resolved

    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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