Anthropic incident

Degraded performance for multiple models

Minor Resolved Upstream link ↗ Archived record

Started

August 12, 2026 at 01:50 PM UTC

Duration

4h 16m

Resolved

August 12, 2026 at 06:07 PM UTC

Updates timeline

  1. Investigating

    We are investigating elevated errors on requests to multiple models. We will provide an update as soon as possible.

  2. Identified

    We have identified an issue which resulted in errors across multiple models. At this time, errors are primarily impacting Claude Fable 5 and we are working to fully resolve these issues.

  3. Identified

    We are continuing to work to resolve an issue resulting in slightly elevated errors on requests to Claude Fable 5. We will provide an update as soon as possible.

  4. Resolved

    This issue has been resolved.

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