Anthropic incident

Degraded performance for Claude Opus 5

Minor Resolved View vendor source →

Anthropic experienced a minor incident on August 5, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 42m. The incident has been resolved; the full update timeline is below.

Started
Aug 05, 2026, 01:51 PM UTC
Resolved
Aug 05, 2026, 02:34 PM UTC
Duration
42m
Detected by Pingoru
Aug 05, 2026, 01:51 PM UTC

Affected components

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

Update timeline

  1. identified Aug 05, 2026, 01:51 PM UTC

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

  2. resolved Aug 05, 2026, 02:34 PM UTC

    This incident has been resolved.