Outage report · Partial outage

Cerebras Inference outage on Jan 18, 2026

Llama 3.3 70B Service Unavailable

SeverityPartial outage
StartedJan 18, 2026, 21:40UTC
ResolvedJan 19, 2026, 00:36UTC
Duration2h 56m

What happened

Cerebras Inference reported a partial outage starting Jan 18, 2026, 21:40 UTC. It was marked resolved at Jan 19, 2026, 00:36 UTC.

  • The incident lasted 2h 56m from first report to resolution.
  • Cerebras Inference had reported 2 other partial or major outages in the 90 days before it.

Latest update from Cerebras Inference

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.

Read Cerebras Inference's official incident report ↗

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.

Cerebras Inference's overall reliability

89.3/100

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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