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Incident detail

Claude Fable 5 experiencing degraded performance

Claude Fable 5 experiencing degraded performance

Resolved incidentMinor0 affected services

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Incident updates

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  1. Investigating

    We are investigating reports of degraded performance for Copilot AI Model Providers

  2. Investigating

    We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve the issue, we recommend choosing another model or selecting 'Auto' to continue using Copilot.

  3. Resolved

    This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.