Anthropic incident

Elevated errors for Claude Opus 4.8

Major Resolved View vendor source →

Anthropic experienced a major incident on June 16, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 1h 12m. The incident has been resolved; the full update timeline is below.

Started
Jun 16, 2026, 08:50 PM UTC
Resolved
Jun 16, 2026, 10:02 PM UTC
Duration
1h 12m
Detected by Pingoru
Jun 16, 2026, 08:50 PM UTC

Affected components

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

Update timeline

  1. investigating Jun 16, 2026, 08:50 PM UTC

    We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.

  2. monitoring Jun 16, 2026, 09:01 PM UTC

    We have resolved the issue resulting in elevated errors on requests to Claude Opus 4.8, and are currently monitoring closely to prevent any further issues.

  3. resolved Jun 16, 2026, 10:02 PM UTC

    This issue has been resolved. We saw elevated errors on requests to Claude Opus 4.8 between 1:45pm PT / 20:45 UTC and 1:58pm PT / 20:58 UTC.