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Anthropic · AIAug 3, 2026, 15:13 UTC 3 months ago

Degraded performance on Claude Sonnet 5

MinorNot disclosedUpdated 47d ago
Aug 3, 15:13 UTCAug 3, 15:29 UTC
Duration
15m
Impact
Minor
Root cause
Not disclosed
Anthropic, 90 days
49 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Status page

Final update

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

Timeline

  1. Resolved · Aug 3, 15:29 UTC
    As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.
  2. Investigating · Aug 3, 15:13 UTC
    We are currently investigating this issue.

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