Cerebras outage history
25 incidents from the official Cerebras status page, the oldest from 8 November 2025.
September 2026 1
-
, resolved after 4 h 58 min
Impact: major
August 2026 1
-
, resolved
Impact: minor
July 2026 1
-
, resolved
Impact: minor
June 2026 1
-
, resolved after 1 h 29 min
Impact: minor
May 2026 1
-
, resolved after 58 min
qwen-3-235b-a22b-instruct-2507 Service Unavailable
Impact: critical
April 2026 2
March 2026 5
-
, resolved
-
, resolved after 6 h 10 min
Z.ai GLM 4.7 Service Unavailable
Impact: major
-
, resolved after 57 min
Z.ai GLM 4.7 Service Unavailable
Impact: major
-
, resolved
-
, resolved after 22 min
Impact: minor
February 2026 4
-
, resolved after 8 h 36 min
Partial Service Disruption on zai-glm-4.7
Impact: minor
-
, resolved after 2 h 55 min
Partial Service Disruption on Llama-3.3-70B
Impact: minor
-
, resolved after 1 h 22 min
Partial Service Disruption on Cerebras Endpoints
Impact: minor
-
, resolved after 9 h 7 min
Partial Service Disruption Qwen 235B
Impact: major
January 2026 4
-
, resolved after 3 h 46 min
-
, resolved after 1 h 17 min
Z.ai GLM 4.7 Service Unavailable
Impact: critical
-
, resolved after 2 h 56 min
Llama 3.3 70B Service Unavailable
Impact: major
-
, resolved after 14 min
Partial Service Disruption- API Key Error
Impact: minor
December 2025 2
-
, resolved after 2 h 30 min
Partial Degradation of Qwen3 32B, Llama 3.1 8B, Llama 3.3 70B, and Qwen-3-235B-Instruct-2507
Impact: minor
-
, resolved
Partial Degradation of Qwen3 235B Instruct
Impact: minor
November 2025 3
-
, resolved after 3 h 5 min
Identified - Caused by External Depencency
Impact: critical
-
, resolved after 2 h 19 min
Impact: minor
-
, resolved after 3 h 29 min
Impact: minor