Anthropic experienced elevated errors on Claude Sonnet 4.6 that affected both claude.ai and api.anthropic.com for 19 minutes. The service disruption was resolved when error rates returned to baseline levels at 23:27 PT / 7:27 UTC on February 24, 2026.
As of 23:27 PT / 7:27 UTC the errors are back to the baseline.
We are currently investigating this issue.
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