Anthropic incident

Elevated errors on Haiku 4.5

Major Resolved View vendor source →

Anthropic experienced a major incident on July 21, 2026 affecting claude.ai and Claude Console (platform.claude.com) and 1 more component, lasting 3h 33m. The incident has been resolved; the full update timeline is below.

Started
Jul 21, 2026, 01:04 PM UTC
Resolved
Jul 21, 2026, 04:38 PM UTC
Duration
3h 33m
Detected by Pingoru
Jul 21, 2026, 01:04 PM UTC

Affected components

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

Update timeline

  1. investigating Jul 21, 2026, 01:04 PM UTC

    We are currently investigating this issue.

  2. identified Jul 21, 2026, 01:14 PM UTC

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

  3. monitoring Jul 21, 2026, 01:22 PM UTC

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

  4. identified Jul 21, 2026, 02:44 PM UTC

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

  5. monitoring Jul 21, 2026, 03:30 PM UTC

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

  6. resolved Jul 21, 2026, 04:38 PM UTC

    This incident has been resolved.