# Anthropic: Incident updated: Elevated errors for Claude Sonnet 5.5

> Incident updated: Elevated errors for Claude Sonnet 5.5. Detected 2026-10-27 by Rewindex: what changed on Anthropic’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r337646dd6dcdd1
Last updated: 2026-10-27T09:43:50Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-27 09:43 UTC · Detected: 2026-10-27 09:43 UTC
- [Source: https://status.claude.com/incidents/0q89dylg9vjk](https://status.claude.com/incidents/0q89dylg9vjk)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)
- Versions: before incident\_version:1/0q89dylg9vjk@9dcbd790d738 → after incident\_version:1/0q89dylg9vjk@75bbdf295ab2
- Change 2 of 3 for this incident

Incident page (full timeline): [Elevated errors for Claude Sonnet 5.5](https://rewindex.com/company/anthropic/incidents/0q89dylg9vjk.md)
## What changed

**1. Changed: Status**

```diff
- investigating
+ monitoring
```

**2. Added: Update** (monitoring) · 2026-10-27 09:38 UTC

```diff
+ A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-27 09:14 UTC | [Major incident: Elevated errors for Claude Sonnet 5.5](https://rewindex.com/change/i81083f272a2ce9.md) | outage |
| 2026-10-27 09:43 UTC | Incident updated: Elevated errors for Claude Sonnet 5.5 (this change) | Normal progress |
| 2026-10-27 10:04 UTC | [Incident updated: Elevated errors for Claude Sonnet 5.5](https://rewindex.com/change/r9bd94423131637.md) | Normal progress |

Previous: [change](https://rewindex.com/change/i81083f272a2ce9.md) · Next: [change](https://rewindex.com/change/r9bd94423131637.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._

## Cite this

Incident updated: Elevated errors for Claude Sonnet 5.5 on Anthropic’s status page, changed 2026-10-27 09:43 UTC (change 2 of 3).

- Canonical URL: https://rewindex.com/change/r337646dd6dcdd1
- Citation: Anthropic, “Incident updated: Elevated errors for Claude Sonnet 5.5” (2026-10-27 09:43 UTC). Archived by Rewindex: https://rewindex.com/change/r337646dd6dcdd1 (CC BY 4.0).
- Markdown link: `[Anthropic: Incident updated: Elevated errors for Claude Sonnet 5.5 (2026-10-27)](https://rewindex.com/change/r337646dd6dcdd1)`


---
Canonical: https://rewindex.com/change/r337646dd6dcdd1 · Markdown: https://rewindex.com/change/r337646dd6dcdd1.md · JSON: https://rewindex.com/api/v1/changes/r337646dd6dcdd1 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:38:54.461Z