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Anthropic · AIAug 19, 2026, 09:42 UTC 2 months ago

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

MinorNot disclosedUpdated 46d ago
Aug 19, 09:42 UTCAug 19, 11:02 UTC
Duration
1h 20m
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

This incident has been resolved.

Timeline

  1. Resolved · Aug 19, 11:02 UTC
    This incident has been resolved.
  2. Monitoring · Aug 19, 10:33 UTC
    A fix has been implemented and we are monitoring the results.
  3. Identified · Aug 19, 09:42 UTC
    We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.

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