# Cerebras: Major incident: Identified - Caused by Internal Depencency

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2025-04-30 23:20 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/n6tc0vnj8700](https://stspg.io/n6tc0vnj8700)
- [Company: Cerebras](https://rewindex.com/company/cerebras.md)
- Versions: before (none: first archived) → after incident\_version:665/1cgzxyxy8brf@aa204c2b3632
- Change 1 of 1 for this incident

Incident page (full timeline): [Identified - Caused by Internal Depencency](https://rewindex.com/company/cerebras/incidents/1cgzxyxy8brf.md)
## What changed

**1. Added: Title**

```diff
+ Identified - Caused by Internal Depencency
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-04-30 23:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-05-01 03:32 UTC
```

**6. Added: Affected components**

```diff
+ Llama-3.3-70B
```

**7. Added: Update** (investigating) · 2025-04-30 23:20 UTC

```diff
+ This issue is caused by an internal system dependency, and we are currently working to restore system performance.
```

**8. Added: Update** (identified) · 2025-05-01 02:09 UTC

```diff
+ Some features may be temporarily unavailable. We are currently working to resume normal service performance. We will provide further updates as we make progress.
```

**9. Added: Update** (resolved) · 2025-05-01 03:32 UTC

```diff
+ Between 04/30 23:20 UTC and 05/01 01:35 UTC, users experienced partial degradation with Llama-3.3-70B. We have deployed a fix, and the issue is now resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-04-30 23:20 UTC | Major incident: Identified - Caused by Internal Depencency (this change) | major |

All Cerebras changes: [timeline](https://rewindex.com/company/cerebras/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i918aaf7f069011 · Markdown: https://rewindex.com/change/i918aaf7f069011.md · JSON: https://rewindex.com/api/v1/changes/i918aaf7f069011 · Generated 2026-10-20T00:48:56.123Z