Anthropic incident

Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5

Major Resolved View vendor source →

Anthropic experienced a major incident on June 22, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 1h 29m. The incident has been resolved; the full update timeline is below.

Started
Jun 22, 2026, 12:37 AM UTC
Resolved
Jun 22, 2026, 02:06 AM UTC
Duration
1h 29m
Detected by Pingoru
Jun 22, 2026, 12:37 AM UTC

Affected components

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

Update timeline

  1. investigating Jun 22, 2026, 12:37 AM UTC

    We are currently investigating this issue.

  2. investigating Jun 22, 2026, 12:37 AM UTC

    We are continuing to investigate this issue.

  3. identified Jun 22, 2026, 01:11 AM UTC

    The issue has been identified and a fix is being implemented.

  4. identified Jun 22, 2026, 01:16 AM UTC

    Opus 4.8 has recovered.

  5. identified Jun 22, 2026, 01:33 AM UTC

    Haiku 4.5 has recovered

  6. identified Jun 22, 2026, 01:56 AM UTC

    Opus 4.7 has recovered

  7. monitoring Jun 22, 2026, 02:01 AM UTC

    A fix has been implemented and we are monitoring the results.

  8. resolved Jun 22, 2026, 02:06 AM UTC

    This incident has been resolved.