Sonnet 4.6 and Opus 4.6 elevated error rate

Claude Status · Resolved

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Status

Resolved

Severity

Unknown

Started

Apr 04, 2026 18:24 UTC

Resolved

Apr 04, 2026 18:25 UTC

https://status.claude.com/incidents/7n7xgqws441v

Timeline

Resolved · Claude Status · Apr 04 17:30 UTC

Resolved

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

Sonnet 4.6 and Opus 4.6 elevated error rate →