Degraded performance for multiple models

Incident Report for Claude

Resolved

This issue has been resolved.

Posted Aug 12, 2026 - 18:07 UTC

Update

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.

Posted Aug 12, 2026 - 17:28 UTC

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.

Posted Aug 12, 2026 - 16:10 UTC

Investigating

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

Posted Aug 12, 2026 - 13:50 UTC

This incident affected: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.