Major incident

Anthropic (Claude): Elevated errors for Claude Sonnet 5

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Current status of Anthropic (Claude): Operational — live Anthropic (Claude) status

Timeline

1. Sep 2, 2026, 21:17 UTC
   investigating
   We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.
2. Sep 2, 2026, 21:44 UTC
   resolved
   The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

Updates as published by Anthropic (Claude) (original).