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Incident detail

Degraded performance for multiple models

Resolved incidentMinor3 affected services

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Timeline

Incident updates

Every update on the official status source, oldest to newest, exactly as it appeared there.

  1. Investigating

    We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.

  2. Investigating

    We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.

  3. Investigating

    We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

  4. Monitoring

    A fix has been implemented and we are monitoring the results.

  5. Resolved

    The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.

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More from Anthropic

Neighboring incidents on Anthropic's timeline and the rest of their record on OutageDeck.

← Older incident

Degraded performance for Claude Opus 5, Claude Sonnet 5

Newer incident →

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

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