# Elevated errors across many models

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Degraded
- lasted 2h 3m
- started 2026-06-16 17:29 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-714b528f22
- Official page: https://stspg.io/bns3xqm6hbk0

## Updates from Anthropic
### 2026-06-16 17:29 UTC: investigating
We are currently investigating this issue.

### 2026-06-16 18:00 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-06-16 18:15 UTC: identified
We are still seeing errors on Opus 4.8 and Haiku 4.5.

### 2026-06-16 19:00 UTC: identified
We are continuing to work to resolve an elevated rate of errors on requests to Claude Opus 4.8, and will provide an additional update as soon as possible.

### 2026-06-16 19:08 UTC: identified
We are continuing to work on a fix for this issue.

### 2026-06-16 19:22 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-06-16 19:32 UTC: resolved
The incident has now been resolved. We had two phases:
\* between 10:23 PT / 17:23 UTC to 11:00 PT / 18:00 UTC -- all Sonnet and Opus models were affected, reaching an error rate of around 10%
\* after 11:00 PT / 18:00 UTC and until 12:20 PT / 19:20 UTC -- Opus 4.8 had an average error rate of 10%
The incident is now resolved.

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