Anthropic incident

Sonnet 4.6 and Opus 4.6 elevated error rate

Notice Resolved View vendor source →
Started
Apr 04, 2026, 06:24 PM UTC
Resolved
Apr 04, 2026, 05:30 PM UTC
Duration
Detected by Pingoru
Apr 04, 2026, 06:24 PM UTC

Update timeline

  1. resolved Apr 04, 2026, 06:24 PM UTC

    Between 10:09 and 10:31 PDT, Sonnet 4.6 and Opus 4.6 experienced elevated error rates across most product surfaces.

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