Cerebras experienced a critical incident on January 26, 2026 affecting ZAI-GLM-4.7, lasting 1h 17m. The incident has been resolved; the full update timeline is below.
Affected components
ZAI-GLM-4.7
Update timeline
- investigating Jan 26, 2026, 08:51 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.
- investigating Jan 26, 2026, 09:19 PM UTC
Partial of the service has been restored, and we are currently working to resume normal service performance.
- monitoring Jan 26, 2026, 09:47 PM UTC
A fix has been rolled out, and we are actively monitoring the situation.
- investigating Jan 26, 2026, 10:08 PM UTC
Between 20:51 and 21:47 UTC users experienced service disruption with GLM 4.7. We have deployed a fix and the issue is now resolved.
- resolved Jan 26, 2026, 10:08 PM UTC
This incident has been resolved.