# Claude: Critical incident: Elevated errors across all models

**Summary:** Claude reported a critical incident involving elevated errors across all models, affecting claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. It started at 2026-07-29 19:49 UTC and was resolved at 2026-07-29 22:36 UTC, lasting 2 h 46 min; Claude confirmed recovery in success rates across all models. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-07-29 19:49 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/6xr5mmpjs1k3](https://stspg.io/6xr5mmpjs1k3)
- [Company: Claude](https://rewindex.com/company/claude.md)
- Versions: before (none: first archived) → after incident\_version:6/q2kg8n613kr3@59ab8a23792b
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Elevated errors across all models
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-29 19:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-29 22:36 UTC
```

**6. Added: Affected components**

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

**7. Added: Update** (investigating) · 2026-07-29 19:49 UTC

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

**8. Added: Update** (identified) · 2026-07-29 20:33 UTC

```diff
+ We have identified an issue resulting in elevated errors across multiple models, and are working to resolve this. We will provide an update as soon as possible.
```

**9. Added: Update** (identified) · 2026-07-29 21:38 UTC

```diff
+ We are continuing to work to fully resolve issues resulting in elevated requests and latency to Claude models. At this time, we are seeing recovery across most models. We will provide an additional update as soon as possible.
```

**10. Added: Update** (monitoring) · 2026-07-29 22:20 UTC

```diff
+ From 12:45 PT / 19:45 UTC through to 1:26 PT / 21:26 UTC, we saw elevated rates of errors across Claude models. We have seen recovery in success rates across all models and are monitoring closely to ensure no further issues.
```

**11. Added: Update** (resolved) · 2026-07-29 22:36 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-29 19:49 UTC | Critical incident: Elevated errors across all 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/ib12556f54100c9 · Markdown: https://rewindex.com/change/ib12556f54100c9.md · JSON: https://rewindex.com/api/v1/changes/ib12556f54100c9 · Generated 2026-10-18T03:55:58.856Z