# Baseten: Major incident: DeepSeek V4.1 Flash Fast Outage on Model APIs

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-10-20 19:04 UTC · Detected: 2026-10-20 19:13 UTC
- [Source: https://stspg.io/ylglm5gr7ms1](https://stspg.io/ylglm5gr7ms1)
- [Company: Baseten](https://rewindex.com/company/baseten.md)
- Versions: before (none: first archived) → after incident\_version:3/v5vxnlhg4pf3@0ebb6395fabd
- Change 1 of 1 for this incident

Incident page (full timeline): [DeepSeek V4.1 Flash Fast Outage on Model APIs](https://rewindex.com/company/baseten/incidents/v5vxnlhg4pf3.md)
## What changed

**1. Added: Title**

```diff
+ DeepSeek V4.1 Flash Fast Outage on Model APIs
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-20 19:04 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-20 19:10 UTC
```

**6. Added: Affected components**

```diff
+ Model APIs
```

**7. Added: Update** (investigating) · 2026-10-20 19:04 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (resolved) · 2026-10-20 19:10 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-20 19:04 UTC | Major incident: DeepSeek V4.1 Flash Fast Outage on Model APIs (this change) | major |

All Baseten changes: [timeline](https://rewindex.com/company/baseten/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/i1e87553ce1eb11 · Markdown: https://rewindex.com/change/i1e87553ce1eb11.md · JSON: https://rewindex.com/api/v1/changes/i1e87553ce1eb11 · Generated 2026-10-21T00:25:23.782Z