Anthropic experienced a minor incident on August 5, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 7h 8m. The incident has been resolved; the full update timeline is below.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- identified Aug 05, 2026, 07:05 AM UTC
We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.
- identified Aug 05, 2026, 09:13 AM UTC
We are continuing to work on a fix for this issue.
- monitoring Aug 05, 2026, 01:08 PM UTC
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- resolved Aug 05, 2026, 02:14 PM UTC
This incident has been resolved.