Claude status: Elevated error rates on Opus 4.6 and Sonnet 4.6

Claude status incident. Elevated error rates on Opus 4.6 and Sonnet 4.6. Status: Investigating. Impact: Major. Sonnet 4.6 is also showing elevated errors.

Developing Major update Updated Mar 27, 2026, 11:21 AM UTC

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What changed

Claude Status: Elevated error rates on Opus 4.6 and Sonnet 4.6.

First seen Mar 26, 2026, 9:56 PM UTC Latest source Mar 27, 2026, 11:21 AM UTC

Update 1 1h ago

Elevated error rates on Opus 4.6 and Sonnet 4.6

Claude Status •published Mar 27, 2026, 11:21 AM UTC •fetched Mar 27, 2026, 11:21 AM UTC

Update 2 6h ago

Elevated error rates on Opus 4.6

Claude Status •published Mar 27, 2026, 6:59 AM UTC •fetched Mar 27, 2026, 7:00 AM UTC

Update 3 15h ago

Elevated errors on Claude Opus 4.6 and Sonnet 4.6

Claude Status •published Mar 26, 2026, 9:56 PM UTC •fetched Mar 26, 2026, 9:56 PM UTC