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Claude (Anthropic) · 26d ago

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

Resolved

Timeline

Started: Aug 19, 2026, 9:42 AM UTC

Last update: Aug 19, 2026, 11:02 AM UTC

Resolved: Aug 19, 2026, 11:02 AM UTC

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

  • resolved

    This incident has been resolved.

    Aug 19, 2026, 11:02 AM UTC

  • monitoring

    A fix has been implemented and we are monitoring the results.

    Aug 19, 2026, 10:33 AM UTC

  • identified

    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.

    Aug 19, 2026, 9:42 AM UTC

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