Resolved · lasted 16 h
Claude outage on September 3
Reports for Claude jumped to 6,677 an hour and stayed high for 16 h.
- Started
- 12:00 PM
- September 3, 2026 · UTC
- Back to normal
- 4:00 AM
- 16 h later
- Peak
- 6,677/hr
- 209× normal
- Anthropic’s incident
- 19 min
- Elevated errors for Claude Sonnet 5
Reports during the outage
10:00 AM5:50 AM UTC
What Anthropic said
status.claude.comResolved12:37 – 12:56 PM · 19 min
Elevated errors for Claude Sonnet 5
- Resolved · 12:56 PM
This incident has been resolved.
- Monitoring · 12:47 PM
A fix has been implemented and we are monitoring the results.
- Investigating · 12:37 PM
We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.
Anthropic posted its first update 38 min after reports started rising.
What people said
- vina1:32 PM
Claude code within the desktop app, isn't working: API Error: 500 Internal server error. This is a server-side issue, usually temporary — try again in
- colorao2:41 PM
no me contesta nada mal ay perro
- Lucca7:23 PM
Esta respuesta no se ha cargado.
34 comments during the outage
Is Claude down right now?
Live status, today’s reports and other past outages.