Resolved · lasted 4 h
Claude outage on September 21
Reports for Claude jumped to 136 an hour and stayed high for 4 h.
- Started
- 4:00 PM
- September 21, 2026 · UTC
- Back to normal
- 8:00 PM
- 4 h later
- Peak
- 136/hr
- 4× normal
- Anthropic’s incident
- —
- Nothing posted
Reports during the outage
2:00 PM9:50 PM UTC
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