kkovac - Elevated errors for multiple models – Incident details

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Elevated errors for multiple models

ResolvedPartial outage1 hour 37 minutes

Affected

Anthropic → Claude API (api.anthropic.com)

Partial outage from 12:57 AM to 2:11 AM, Operational from 2:11 AM to 2:35 AM

  • ResolvedUTC

    This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.

  • MonitoringUTC

    We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.

  • UpdateUTC

    We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.

  • IdentifiedUTC

    We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

  • InvestigatingUTC

    We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.