Degraded performance of multiple models

Incident Report for Claude

Resolved

This incident has been resolved.

Posted Aug 05, 2026 - 14:14 UTC

Monitoring

A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

Posted Aug 05, 2026 - 13:08 UTC

Update

We are continuing to work on a fix for this issue.

Posted Aug 05, 2026 - 09:13 UTC

Identified

We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5, Claude Sonnet 5 and are working on a fix. We will provide an update as soon as possible.

Posted Aug 05, 2026 - 07:05 UTC

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