Cerebras experienced a major incident on January 18, 2026, lasting 2h 56m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Jan 18, 2026, 09:40 PM UTC
The service is currently inaccessible. We are currently working urgently to restore service capabilities. We will provide further updates as we make progress.
- identified Jan 18, 2026, 11:52 PM UTC
The issue has been root caused and fix is being implemented to bring the service backup.
- monitoring Jan 19, 2026, 12:03 AM UTC
The fix has been rolled out and the service has resumed consuming traffic and being monitored.
- investigating Jan 19, 2026, 12:35 AM UTC
Between 12.45 PM PT and 4.00 PM PT users experienced service unavailability with Llama 3.3 70B, caused by a datacenter issue. We have deployed a fix and the issue is now resolved, model endpoint is operational.
- resolved Jan 19, 2026, 12:36 AM UTC
Between 12.45 PM PT and 4.00 PM PT users experienced service unavailability with Llama 3.3 70B, caused by a datacenter issue. We have deployed a fix and the issue is now resolved, model endpoint is operational.