Cerebras experienced a minor incident on September 3, 2025 affecting Llama3.1-8B and GPT-OSS-120B, lasting 3h 57m. The incident has been resolved; the full update timeline is below.
Affected components
Llama3.1-8BGPT-OSS-120B
Update timeline
- identified Sep 03, 2025, 06:32 AM UTC
Notice: Since approximately 10:40 PM Pacific Time on September 2, 2025, we’ve observed degraded performance due to a datacenter outage. Impact appears limited due to redundancy across other data centers. We will provide further updates as we make progress.
- resolved Sep 03, 2025, 10:30 AM UTC
This incident has been resolved.