Outage report · Partial outage
Cerebras Inference outage on Sep 25, 2026
Partial Service Disruption
What happened
Cerebras Inference reported a partial outage starting Sep 25, 2026, 12:16 UTC, affecting GPT-OSS-120B, Qwen-3.8-27b. It was marked resolved at Sep 25, 2026, 17:14 UTC.
- The incident lasted 4h 58m from first report to resolution.
- It was the 3rd longest of 7 significant outages Cerebras Inference reported in the 12 months up to it.
- Cerebras Inference had reported no other partial or major outages in the 90 days before it.
- 3 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Cerebras Inference
The incident has been resolved
What our independent monitoring saw
Our independent monitoring of Cerebras Inference started after this incident, so this report is based on Cerebras Inference's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Cerebras Inference's overall reliability
Cerebras Inference has a reliability score of 89.3/100, with 99.88% effective uptime and 2 incidents over the last 90 days.
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