AnthropicIncidentMateriality 1

Claude Sonnet 5 error rates return to baseline after brief incident

Anthropic reported degraded performance on Claude Sonnet 5. Error rates returned to baseline as of 15:20 UTC and the incident is resolved.

First seen 3 Aug, 15:29 UTC on status.claude.com1 sourceLast update 52d ago

What the sources say

Linked, never rewritten. Official means the lab itself.

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How it unfolded

Every source in the order it appeared. Times in UTC.