# Claude: Major incident: Elevated errors on requests to multiple models

**Summary:** Claude reported a major incident involving elevated errors on requests to multiple models, affecting claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. It started at 2026-08-20 19:16 UTC and was resolved at 2026-08-20 19:42 UTC, lasting 26 min; no cause or fix details were stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-20 19:16 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/w7yghz6hfr72](https://stspg.io/w7yghz6hfr72)
- [Company: Claude](https://rewindex.com/company/claude.md)
- Versions: before (none: first archived) → after incident\_version:6/c0ncxxm2wd9r@8a468dfe4a6c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Elevated errors on requests to multiple models
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-20 19:16 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-20 19:42 UTC
```

**6. Added: Affected components**

```diff
+ claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
```

**7. Added: Update** (investigating) · 2026-08-20 19:16 UTC

```diff
+ We are investigating elevated errors on requests to some Claude models. We will provide additional updates as soon as possible.
```

**8. Added: Update** (resolved) · 2026-08-20 19:42 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-20 19:16 UTC | Major incident: Elevated errors on requests to multiple models (this change) | outage |

All Claude changes: [timeline](https://rewindex.com/company/claude/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/i8f0f722a92fb66 · Markdown: https://rewindex.com/change/i8f0f722a92fb66.md · JSON: https://rewindex.com/api/v1/changes/i8f0f722a92fb66 · Generated 2026-10-18T02:55:24.711Z