Claude status: Opus 4.6 and Sonnet 4.6 error rate elevated

Claude status incident. Opus 4.6 and Sonnet 4.6 error rate elevated. Status: Identified. Impact: Major. We are continuing to work on a fix for this issue.

Early report Major update Updated Mar 31, 2026, 9:01 PM UTC

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What changed

Claude Status: Opus 4.6 and Sonnet 4.6 error rate elevated.

First seen Mar 31, 2026, 7:41 PM UTC Latest source Mar 31, 2026, 9:01 PM UTC

Update 1 1h ago

Opus 4.6 and Sonnet 4.6 error rate elevated

Claude Status •published Mar 31, 2026, 9:01 PM UTC •fetched Mar 31, 2026, 9:10 PM UTC

Update 2 3h ago

Opus 4.6 error rate elevated

Claude Status •published Mar 31, 2026, 7:41 PM UTC •fetched Mar 31, 2026, 7:42 PM UTC