Claude (Anthropic) outage, 3 September 2026

Elevated errors for multiple models

Started
Resolved
3 Sept 2026, 16:23 UTC (after 2 h 57 min)
Impact
Major
Affected
claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Last update from Claude (Anthropic)

The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

3 Sept 2026, 16:23 UTC

Read the full incident on the official Claude (Anthropic) status page

Is Claude (Anthropic) down now?

This page is the record of one past incident. For the live status, see Is Claude (Anthropic) down right now? - it reads the official status page every 2 minutes.

Other Claude (Anthropic) incidents

  1. Issue with spend limits

  2. Elevated errors on platform.claude.com

  3. Elevated errors loading usage data on platform.claude.com

  4. Elevated errors for Claude Opus 5.5

  5. Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

  6. Delayed credits on the Claude Platform

  7. Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API

  8. Elevated errors for multiple models

All recorded Claude (Anthropic) incidents