Claude Sonnet 4.5 experienced elevated error rates affecting both claude.ai and api.anthropic.com for 16 minutes. The issue was identified and a fix was implemented, with error rates returning to baseline levels. Both the web interface and API services were impacted during this minor incident.
As of 03:26 PT / 11:26 UTC the error rate has now reduced to the baseline.
The issue has been identified and a fix is being implemented.
We are currently investigating this issue.
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