Service Degradation

What to do

• Check whether you use Cerebras GPT-OSS-120B. 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 55m it lasted.

  Anything that failed between 2025-10-22 16:18 UTC and 2025-10-22 21:13 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.

Updates from Cerebras 5

1. investigatingOct 22, 2025, 4:18 PM UTC

   We are experiencing degradation of service across several of our models. Our engineering team is working to identify the root cause and restore stability to our systems.

   provider

2. identifiedOct 22, 2025, 5:01 PM UTC

   We've identified that the combination of high load and a network routing issue resulted in higher queue times and rejection rates. ETA on resolution is a few hours.

   provider

3. identifiedOct 22, 2025, 6:01 PM UTC

   Our teams are continuing to work to resolve this issue. We appreciate your patience.

   provider

4. monitoringOct 22, 2025, 7:44 PM UTC

   A fix has been implemented, availability is returning to 100%, and latency times are improving. We will continue to monitor over the next few hours.

   provider

5. resolvedOct 22, 2025, 9:13 PM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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