Cerebras incident

Identified - Caused by External Depencency

Critical Resolved View vendor source →

Cerebras experienced a critical incident on November 18, 2025 affecting Llama3.1-8B and Qwen-3-235B-Instruct-2507 and 1 more component, lasting 3h 5m. The incident has been resolved; the full update timeline is below.

Started
Nov 18, 2025, 12:30 PM UTC
Resolved
Nov 18, 2025, 03:36 PM UTC
Duration
3h 5m
Detected by Pingoru
Nov 18, 2025, 12:30 PM UTC

Affected components

Llama3.1-8BQwen-3-235B-Instruct-2507GPT-OSS-120BDeveloper Console

Update timeline

  1. investigating Nov 18, 2025, 12:30 PM UTC

    Around 4:09 AM PT, Inference Platform went down causing 500 Internal Server Errors. This issue is caused by a third-party system, and we are currently monitoring.

  2. investigating Nov 18, 2025, 12:54 PM UTC

    We are continuing to investigate this issue.

  3. investigating Nov 18, 2025, 02:24 PM UTC

    We are continuing to investigate this issue.

  4. identified Nov 18, 2025, 02:41 PM UTC

    The issue has been identified and a fix is being implemented.

  5. monitoring Nov 18, 2025, 02:55 PM UTC

    A fix has been implemented and we are monitoring the results.

  6. monitoring Nov 18, 2025, 02:57 PM UTC

    The platform is accessible now. We are monitoring to ensure stability.

  7. resolved Nov 18, 2025, 03:36 PM UTC

    This incident has been resolved.