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Claude: Degraded performance for multiple models

Affected components: Claude CoworkClaude API (api.anthropic.com)claude.aiClaude Code

Timeline of updates

1. investigating2026-08-12 13:50 UTC

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

2. identified2026-08-12 16:10 UTC

   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. identified2026-08-12 17:28 UTC

   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. resolved2026-08-12 18:07 UTC

   This issue has been resolved.

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