Anthropic incident

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on August 19, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 1h 19m. The incident has been resolved; the full update timeline is below.

Started
Aug 19, 2026, 09:42 AM UTC
Resolved
Aug 19, 2026, 11:02 AM UTC
Duration
1h 19m
Detected by Pingoru
Aug 19, 2026, 09:42 AM UTC

Affected components

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

Update timeline

  1. identified Aug 19, 2026, 09:42 AM UTC

    We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.

  2. monitoring Aug 19, 2026, 10:33 AM UTC

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

  3. resolved Aug 19, 2026, 11:02 AM UTC

    This incident has been resolved.