Anthropic incident

Elevated errors on many Claude models

Anthropic is currently experiencing a major incident affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, which began 2h ago. The vendor's full update timeline is below.

Started
Jun 05, 2026, 03:19 PM UTC
Resolved
Ongoing
Duration
● 1h 49m
Detected by Pingoru
Jun 05, 2026, 03:19 PM UTC

Affected components

claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

Update timeline

  1. investigating Jun 05, 2026, 03:19 PM UTC

    We are currently investigating this issue.

  2. identified Jun 05, 2026, 03:43 PM UTC

    We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.

  3. identified Jun 05, 2026, 04:46 PM UTC

    We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.