# Cerebras

- Domain: cerebras.ai · Category: ai
- Status page: https://status.cerebras.ai (polled every 10 minutes; now operational)
- Incidents archived: 48 (18 major/critical, 2 maintenances), history since 2025-01-11
- Last 90 days: 3 incidents; open now: 0
- Silently edited or deleted incidents: 0

## How Cerebras reports incidents

- First posted only after it was over: 33% (16 of 48 incidents in full detail); typical vendor 7%
- Median time to resolve: 2 h 43 min (90th percentile 6 h 25 min); typical vendor 2 h
- Major or critical incidents: 0.7 a month (9 over 365 days); typical vendor 1.1
- Rewrites caught since 2026-10-17: 0 deleted, 0 edited
Compared with 154 vendors: [all scorecards](https://rewindex.com/scorecards.md)

## Dependencies (observed)

| Depends on | Signal | Blamed in | Hosting | Integration | Events | Declared |
| --- | --- | --- | --- | --- | --- | --- |
| AWS (Amazon Web Services) | medium | 1 | 0 | 0 | 0 |  |

## Incidents by year

| Year | Incidents | Major/critical | Maintenance | Median duration |
| --- | --- | --- | --- | --- |
| 2025 | 28 | 11 | 1 | 2.4 h |
| 2026 | 20 | 7 | 1 | 1.4 h |

## Pricing

_No structured pricing extracted yet._

## Recent notable changes

| When (UTC) | Change | Summary |
| --- | --- | --- |
| 2026-09-25 12:16 UTC | [Major incident: Partial Service Disruption](https://rewindex.com/change/i53910fbeaa38a3.md) | pending |
| 2026-05-01 07:59 UTC | [Critical incident: qwen-3-235b-a22b-instruct-2507 Service Unavailable](https://rewindex.com/change/iacdc4e15b7af53.md) | pending |
| 2026-03-17 12:21 UTC | [Major incident: Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/change/i14d252228c7e48.md) | pending |
| 2026-03-17 11:14 UTC | [Major incident: Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/change/i2bfdf711217cd4.md) | pending |
| 2026-02-04 16:59 UTC | [Major incident: Partial Service Disruption Qwen 235B](https://rewindex.com/change/ib6e471dab430f3.md) · [Anthropic outage](https://rewindex.com/events/2026-02-04-anthropic) | pending |
| 2026-01-26 20:51 UTC | [Critical incident: Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/change/ic338f465570019.md) | pending |
| 2026-01-18 21:40 UTC | [Major incident: Llama 3.3 70B Service Unavailable](https://rewindex.com/change/i1355cf601eb5b9.md) | pending |
| 2025-11-18 12:30 UTC | [Critical incident: Identified - Caused by External Depencency](https://rewindex.com/change/i177d73972f4ec6.md) · [Cloudflare outage](https://rewindex.com/events/2025-11-18-cloudflare) | pending |
| 2025-11-05 23:46 UTC | [Major incident: Partial Service Disruption](https://rewindex.com/change/id2e50f418fc2a9.md) | pending |
| 2025-09-12 19:13 UTC | [Major incident: Partial Service Disruption](https://rewindex.com/change/i1b2a87d552f39a.md) | pending |

Full timeline: [Cerebras changes](https://rewindex.com/company/cerebras/changes.md)
## Silent edits and deletions

_None._

## Page change history

_None._

_No page changes since the first snapshot._

## Latest 48 incidents

| Started (UTC) | Incident | Impact | Duration | Edited |
| --- | --- | --- | --- | --- |
| 2026-09-25 12:16 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/8sc27zfgpkhk.md) | major | 5.0 h |  |
| 2026-08-27 12:05 UTC | [Resolved](https://rewindex.com/company/cerebras/incidents/sv05qtgc6m9w.md) | minor | 0 min |  |
| 2026-07-29 14:14 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/0b1z10b9b7wn.md) | minor | 0 min |  |
| 2026-06-03 14:09 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/zdbyr2c8607w.md) | minor | 1.5 h |  |
| 2026-05-01 07:59 UTC | [qwen-3-235b-a22b-instruct-2507 Service Unavailable](https://rewindex.com/company/cerebras/incidents/sytksrjb1bgk.md) | critical | 58 min |  |
| 2026-04-03 10:42 UTC | [Service disruption with qwen-3-235b-a22b-instruct-2507](https://rewindex.com/company/cerebras/incidents/7msk9hpntb8r.md) | none | -103 min |  |
| 2026-04-03 10:38 UTC | [Partial service disruption with GPT-OSS-120B](https://rewindex.com/company/cerebras/incidents/y0rpzj2r18bm.md) | none | -98 min |  |
| 2026-03-18 09:40 UTC | [GLM 4.7 Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/3n9pp7j7l2q8.md) | none | -251 min |  |
| 2026-03-17 12:21 UTC | [Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/company/cerebras/incidents/7lv7wyfp42v7.md) | major | 6.2 h |  |
| 2026-03-17 11:14 UTC | [Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/company/cerebras/incidents/8qsjtfyc31h2.md) | major | 57 min |  |
| 2026-03-17 10:41 UTC | [Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/company/cerebras/incidents/t2my1d6y9rv0.md) | none | -1992 min |  |
| 2026-03-06 05:29 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/tnt5px1wfmss.md) | minor | 22 min |  |
| 2026-02-10 21:37 UTC | [Partial Service Disruption on zai-glm-4.7](https://rewindex.com/company/cerebras/incidents/lw2hsrp9s1fd.md) | minor | 8.6 h |  |
| 2026-02-10 19:52 UTC | [Partial Service Disruption on Llama-3.3-70B](https://rewindex.com/company/cerebras/incidents/rwt2ggkx1v2m.md) | minor | 2.9 h |  |
| 2026-02-05 06:42 UTC | [Partial Service Disruption on Cerebras Endpoints](https://rewindex.com/company/cerebras/incidents/bn01nm5v8ght.md) | minor | 1.4 h |  |
| 2026-02-04 16:59 UTC | [Partial Service Disruption Qwen 235B](https://rewindex.com/company/cerebras/incidents/7f3cpl78dkg4.md) · [Anthropic outage](https://rewindex.com/events/2026-02-04-anthropic) | major | 9.1 h |  |
| 2026-01-27 17:18 UTC | [Qwen-32B Service Experiencing Degraded Performance](https://rewindex.com/company/cerebras/incidents/cgp1622rv1wq.md) | none | 3.8 h |  |
| 2026-01-26 20:51 UTC | [Z.ai GLM 4.7 Service Unavailable](https://rewindex.com/company/cerebras/incidents/jhfwzy74vdpf.md) | critical | 1.3 h |  |
| 2026-01-18 21:40 UTC | [Llama 3.3 70B Service Unavailable](https://rewindex.com/company/cerebras/incidents/3k88y08my27d.md) | major | 2.9 h |  |
| 2026-01-17 01:47 UTC | [Partial Service Disruption- API Key Error](https://rewindex.com/company/cerebras/incidents/6rbx7nr1ljmw.md) | minor | 14 min |  |
| 2025-12-12 15:33 UTC | [Partial Degradation of Qwen3 32B, Llama 3.1 8B,  Llama 3.3 70B, and Qwen-3-235B-Instruct-2507](https://rewindex.com/company/cerebras/incidents/3jmvnmb2xv0y.md) | minor | 2.5 h |  |
| 2025-12-12 04:20 UTC | [Partial Degradation of Qwen3 235B Instruct](https://rewindex.com/company/cerebras/incidents/86pq76z4gpml.md) | minor | -1130 min |  |
| 2025-11-18 12:30 UTC | [Identified - Caused by External Depencency](https://rewindex.com/company/cerebras/incidents/wmmxw7p006hq.md) · [Cloudflare outage](https://rewindex.com/events/2025-11-18-cloudflare) | critical | 3.1 h |  |
| 2025-11-14 15:48 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/n0ymnhctphq8.md) | minor | 2.3 h |  |
| 2025-11-08 16:10 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/571pms3nffkm.md) | minor | 3.5 h |  |
| 2025-11-08 16:09 UTC | [Resolved](https://rewindex.com/company/cerebras/incidents/61j4hpt0zzng.md) | none | -399 min |  |
| 2025-11-05 23:46 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/ypchq28yfp9q.md) | major | 14 min |  |
| 2025-10-22 16:18 UTC | [Service Degradation](https://rewindex.com/company/cerebras/incidents/b1qtg0br4xgg.md) | none | 4.9 h |  |
| 2025-10-19 02:37 UTC | [Datacenter Issue Causing Minimal Degredation](https://rewindex.com/company/cerebras/incidents/3rgbm1h94brm.md) | minor | 12 h |  |
| 2025-10-16 22:14 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/thy67vv79y4n.md) | minor | 50 min |  |
| 2025-10-08 19:21 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/w1gsghnlf49c.md) | none | -52 min |  |
| 2025-09-12 19:13 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/m2zflgpzxzp0.md) | major | 1.4 h |  |
| 2025-09-03 06:32 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/3593plbhlprx.md) | minor | 4.0 h |  |
| 2025-08-22 16:47 UTC | [Reduced availability for Llama-3.3-70B](https://rewindex.com/company/cerebras/incidents/chwqpk4rl737.md) | major | -1 min |  |
| 2025-07-31 18:00 UTC | [Reduced Availability - Resolved](https://rewindex.com/company/cerebras/incidents/hs0fjr00d9lt.md) | minor | 0 min |  |
| 2025-07-25 22:23 UTC | [Service Unavailable - Resolved](https://rewindex.com/company/cerebras/incidents/mnm7xdyt8z47.md) | none | -144 min |  |
| 2025-06-25 14:30 UTC | [Qwen-3-32B API Incident – Resolved](https://rewindex.com/company/cerebras/incidents/c49t8zgk5p1g.md) | major | 0 min |  |
| 2025-06-19 19:30 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/3c2sb2kqft0m.md) | major | 0 min |  |
| 2025-06-19 18:30 UTC | [Service Unavailable](https://rewindex.com/company/cerebras/incidents/dn1zd03y82zv.md) | major | 0 min |  |
| 2025-06-08 03:30 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/cxz5sqlr0bpx.md) | major | 0 min |  |
| 2025-05-23 03:54 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/qpsm06h6l1y2.md) | none | 9.8 h |  |
| 2025-04-30 23:20 UTC | [Identified - Caused by Internal Depencency](https://rewindex.com/company/cerebras/incidents/1cgzxyxy8brf.md) | major | 4.2 h |  |
| 2025-04-08 00:28 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/phmc8msprxqm.md) | major | 3.9 h |  |
| 2025-04-08 00:27 UTC | [Service Unavailable](https://rewindex.com/company/cerebras/incidents/79bs7hw3wgv1.md) | critical | 1.1 h |  |
| 2025-03-09 19:14 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/cfl92nk5d6vm.md) | minor | 25 min |  |
| 2025-02-11 19:56 UTC | [Partial Service Disruption](https://rewindex.com/company/cerebras/incidents/qvg2mlyt7qwd.md) | minor | 10 min |  |
| 2025-01-12 14:42 UTC | [Degraded Service](https://rewindex.com/company/cerebras/incidents/fgg3jdx68g8h.md) | none | 18 min |  |
| 2025-01-11 02:00 UTC | [Degraded service](https://rewindex.com/company/cerebras/incidents/qqglhkp35nx9.md) | none | 1.2 h |  |


## Charts

### Chart data: Cerebras status incidents per year
Grey: all non-maintenance incidents. Orange: major or critical. Years before Oct 2026 come from the vendor’s own status history.

| Year | Incidents | Major/critical |
| --- | --- | --- |
| 2025 | 28 | 11 |
| 2026 | 20 | 7 |

### Chart data: Incidents per month, last 36 months
By impact as reported by the vendor. Maintenance excluded.

| Month | Impact | Incidents |
| --- | --- | --- |
| 2025-01 | none | 2 |
| 2025-02 | minor | 1 |
| 2025-03 | minor | 1 |
| 2025-04 | critical | 1 |
| 2025-04 | major | 2 |
| 2025-05 | none | 1 |
| 2025-06 | major | 4 |
| 2025-07 | minor | 1 |
| 2025-07 | none | 1 |
| 2025-08 | major | 1 |
| 2025-09 | major | 1 |
| 2025-09 | minor | 1 |
| 2025-10 | minor | 2 |
| 2025-10 | none | 2 |
| 2025-11 | critical | 1 |
| 2025-11 | major | 1 |
| 2025-11 | minor | 2 |
| 2025-11 | none | 1 |
| 2025-12 | minor | 2 |
| 2026-01 | critical | 1 |
| 2026-01 | major | 1 |
| 2026-01 | minor | 1 |
| 2026-01 | none | 1 |
| 2026-02 | major | 1 |
| 2026-02 | minor | 3 |
| 2026-03 | major | 2 |
| 2026-03 | minor | 1 |
| 2026-03 | none | 2 |
| 2026-04 | none | 2 |
| 2026-05 | critical | 1 |
| 2026-06 | minor | 1 |
| 2026-07 | minor | 1 |
| 2026-08 | minor | 1 |
| 2026-09 | major | 1 |

---
Canonical: https://rewindex.com/company/cerebras · Markdown: https://rewindex.com/company/cerebras.md · JSON: https://rewindex.com/api/v1/companies/cerebras · Generated 2026-10-19T22:27:20.840Z