Is Cerebras Inference down? › Outage history › Mar 17, 2026
Cerebras Inference partial outage on Mar 17, 2026: what happened
On Mar 17, 2026, the Cerebras Inference status page reported "Z.ai GLM 4.7 Service Unavailable". About 6 hours 10 min: from Mar 17, 2026, 12:21 UTC to Mar 17, 2026, 18:31 UTC, by the official start and resolution times.
Cerebras Inference right now
At our last refresh (Oct 22, 2026, 12:35 UTC) Cerebras Inference was up: All Systems Operational.
- Started
- Mar 17, 2026, 12:21 UTC
- Resolved
- Mar 17, 2026, 18:31 UTC
- Duration
- 6 hours 10 min
- Official impact
- Major
- Affected
- ZAI-GLM-4.7
- Source
- Z.ai GLM 4.7 Service Unavailable on the Cerebras Inference status page
The Cerebras Inference status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.
What caused the Cerebras Inference partial outage?
The Cerebras Inference status page has not published a cause. When it identified the problem at 12:21 UTC on Mar 17, 2026, it said: "The service is currently inaccessible. We are currently working urgently to restore service capabilities. We will provide further updates as we make progress."
When was it fixed?
The Cerebras Inference status page marked it resolved at Mar 17, 2026, 18:31 UTC, 6 hours 10 min after it started.
Timeline of official updates
Every update the Cerebras Inference status page posted, oldest first. Times are UTC.
Mar 17, 2026, 12:21 UTC identified
The service is currently inaccessible. We are currently working urgently to restore service capabilities. We will provide further updates as we make progress.
Mar 17, 2026, 18:31 UTC resolved
This incident has been resolved.
Cerebras Inference partial outage questions
What caused the Cerebras Inference partial outage on Mar 17, 2026?
The Cerebras Inference status page has not published a cause. When it identified the problem (Mar 17, 2026, 12:21 UTC) it said: "The service is currently inaccessible. We are currently working urgently to restore service capabilities. We will provide further updates as we make progress."
When was the Cerebras Inference partial outage on Mar 17, 2026 fixed?
The Cerebras Inference status page marked it resolved at Mar 17, 2026, 18:31 UTC, 6 hours 10 min after it started.
How long did the Cerebras Inference partial outage last?
About 6 hours 10 min: from Mar 17, 2026, 12:21 UTC to Mar 17, 2026, 18:31 UTC, by the official start and resolution times.
Was Cerebras Inference completely down?
No. The Cerebras Inference status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage. The affected parts listed were: ZAI-GLM-4.7.
Which parts of Cerebras Inference were affected?
The Cerebras Inference status page listed: ZAI-GLM-4.7.
Other recent Cerebras Inference incidents
- Partial Service Disruption Sep 25, 2026, 12:16 UTC, 4 hours 58 min
- Resolved Aug 27, 2026, 12:05 UTC, duration not stated
- Partial Service Disruption Jul 29, 2026, 14:14 UTC, duration not stated
- Partial Service Disruption Jun 3, 2026, 14:09 UTC, 1 hour 30 min
- qwen-3-235b-a22b-instruct-2507 Service Unavailable May 1, 2026, 07:59 UTC, 58 minutes
- Service disruption with qwen-3-235b-a22b-instruct-2507 Apr 3, 2026, 10:42 UTC, duration not stated
Full Cerebras Inference outage history and biggest outages → · Recent outages across all services →
Quotes are the Cerebras Inference status page's own words, from the official incident. Is It Up or Down is independent and not affiliated with Cerebras Inference. Times are UTC.