Live status & reliability report

Cerebras Inference status, outages & reliability

Cerebras Inference serves open models on Cerebras wafer-scale hardware through an OpenAI-compatible API.

Data updated Nov 1, 2026 · score recalculated

Over the last 90 days Cerebras Inference had 99.88% effective uptime across 2 status page incidents (1 partial or major outage), resolving them in 2h 29m on average.

89.3/100Reliability scoreVisit Cerebras Inference ↗

Is Cerebras Inference down right now?

No, Cerebras Inference is up and running.

  • Cerebras Inference's status page reports all systems operational. Checked .
  • All 3 Cerebras Inference pages we check are responding. Checked .

Official Cerebras Inference status page ↗

Uptime (90d)99.88%2h 29m weighted downtime
Incidents (90d)20.5 per 30 days
Major / partial outages1
Avg time to resolve2h 29m
Outages we detected0by our independent probes

90-day uptime

Aug 4, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 99.99% uptime, 1 incident (Degraded performance)Aug 28, 2026 – Sep 24, 2026: no incidentsSep 25, 2026: 89.64% uptime, 1 incident (Partial outage)Sep 26, 2026 – Nov 1, 2026: no incidents
90 days ago99.884% average daily uptimeToday
  • No incidents
  • Degraded
  • Partial outage
  • Major outage
  • No data

Key facts about Cerebras Inference's reliability

  • Over the past 12 months, Cerebras Inference published 27 incidents on its status page, 9 of them partial or major outages.
  • Its longest outage on record in that time was “Partial Service Disruption Qwen 235B” on Feb 4, 2026, which lasted 9h 8m.
  • The part of Cerebras Inference most often affected was GPT-OSS-120B (7 of 27 incidents).
  • Incidents most often began on a Friday (8 of 27, UTC).
  • Cerebras Inference's 90-day uptime of 99.88% is above the average for LLM API providers (99.34%).

Score breakdown

Uptime · 40% weight
89
99.885% effective uptime
Incident frequency · 20% weight
88
0.50 weighted incidents per 30 days
Time to resolve · 20% weight
81
2h 29m average
Transparency · 20% weight
100
No unreported outages detected

How the score is calculated →

Incidents per month

024682 degraded performance incidents2Dec1 major outage incident1 partial outage incident1 degraded performance incident1 informational incident4Jan ’261 partial outage incident3 degraded performance incidents4Feb2 partial outage incidents1 degraded performance incident2 informational incidents5Mar2 informational incidents2Apr1 major outage incident1May1 degraded performance incident1Jun1 degraded performance incident1Jul1 degraded performance incident1Aug1 partial outage incident1SepOctNov
  • Major outage
  • Partial outage
  • Degraded
  • Informational

Response time

Daily average response time of Cerebras Inference's public pages, measured by our probes.

Not enough data yet — this chart fills in as our monitoring runs.

Score trend

Daily reliability score (rolling 90-day window).

Not enough data yet — this chart fills in as our monitoring runs.

Cerebras Inference incident history (last 90 days)

  • Partial outageSep 25, 2026 · resolved in 4h 58m

    Partial Service Disruption

    Affected: GPT-OSS-120B, Qwen-3.8-27b

  • Degraded performanceAug 27, 2026 · resolved in <1m

    Resolved

    Affected: GPT-OSS-120B

Source: Cerebras Inference status page · last checked

Our independent monitoring

We check these public Cerebras Inference pages every 5 minutes. An outage is recorded after two consecutive failed checks.

PageLast checkUptime (30d)Avg response
API models endpoint (unauthenticated)Up 100%207 ms
Cloud consoleUp 100%289 ms
Inference docsUp 100%346 ms

How Cerebras Inference compares

Most reliable Cerebras Inference alternatives →

Cerebras Inference status FAQ

Is Cerebras Inference down right now?

No, Cerebras Inference is up and running. Cerebras Inference's status page currently reports all systems operational, and all 3 of the Cerebras Inference pages we check every five minutes are responding. This page updates automatically when that changes.

How reliable is Cerebras Inference?

Cerebras Inference has a reliability score of 89.3 out of 100, ranking #4 of 11 LLM API providers. Over the last 90 days it had 99.88% effective uptime.

How often does Cerebras Inference have outages?

Cerebras Inference published 2 incidents on its status page in the last 90 days (1 partial or major outage) and 27 in the past 12 months.

How long do Cerebras Inference outages last?

Cerebras Inference resolves incidents in 2h 29m on average. Its longest outage in the past year lasted 9h 8m, on Feb 4, 2026.

Does Cerebras Inference have a status page?

Yes. Cerebras Inference's official status page is status.cerebras.ai. We read it every five minutes and keep its full incident history.