# Anthropic: Major incident: Elevated errors for Claude Opus 5.5

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-10-24 00:31 UTC · Detected: 2026-10-24 00:33 UTC
- [Source: https://status.claude.com/incidents/3cqf3pmlnr96](https://status.claude.com/incidents/3cqf3pmlnr96)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)
- Versions: before (none: first archived) → after incident\_version:1/3cqf3pmlnr96@753b7da9cd98
- Change 1 of 2 for this incident

Incident page (full timeline): [Elevated errors for Claude Opus 5.5](https://rewindex.com/company/anthropic/incidents/3cqf3pmlnr96.md)
## What changed

**1. Added: Title**

```diff
+ Elevated errors for Claude Opus 5.5
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ investigating
```

**4. Added: Start time**

```diff
+ 2026-10-24 00:31 UTC
```

**5. Added: Affected components**

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

**6. Added: Update** (investigating) · 2026-10-24 00:31 UTC

```diff
+ We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-24 00:31 UTC | Major incident: Elevated errors for Claude Opus 5.5 (this change) | major |
| 2026-10-24 00:43 UTC | [Incident updated: Elevated errors for Claude Opus 5.5](https://rewindex.com/change/r7ad0b63c222060.md) |  |

Next: [change](https://rewindex.com/change/r7ad0b63c222060.md) · All Anthropic changes: [timeline](https://rewindex.com/company/anthropic/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/i0ebfa6340616af · Markdown: https://rewindex.com/change/i0ebfa6340616af.md · JSON: https://rewindex.com/api/v1/changes/i0ebfa6340616af · Generated 2026-10-24T09:18:24.714Z