Cerebras: Partial Service Disruption

What to do

Check whether you use Cerebras GPT-OSS-120B, Qwen-3.8-27b. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
Confirm your retries, queues and scheduled jobs caught up after the 4h 58m it lasted.
Anything that failed between 2026-09-25 12:16 UTC and 2026-09-25 17:14 UTC may need a replay.
Subscribe to Cerebras's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=cerebras works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

We are still investigating the root cause.

investigatingSep 25, 2026, 12:16 PM UTC
Some features may be temporarily unavailable since UTC 10:54. We are currently working to resume normal service performance. We will provide further updates as we make progress.
provider
monitoringSep 25, 2026, 1:41 PM UTC
Services are back up. We are still investigating the root cause.
provider
resolvedSep 25, 2026, 5:14 PM UTC
The incident has been resolved
provider

Reports count in aggregate; nothing about you is shown.

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Is Cerebras still down?

No, this incident was resolved 2026-09-25 17:14 UTC. For Cerebras's live state, see https://down.guide/cerebras.

How long did it last?

4h 58m, from 2026-09-25 12:16 UTC to 2026-09-25 17:14 UTC, by the times Cerebras posted.

What was affected?

Cerebras named GPT-OSS-120B, Qwen-3.8-27b.

What caused it?

Cerebras wrote: "We are still investigating the root cause." The postmortem: https://stspg.io/mnkgcr15z19x

Where does this come from?

Cerebras's official status page, https://status.cerebras.ai, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.