---
url: "https://status.anthropic.com/"
title: Claude Status
domain: anthropic.com
locale: en
type: home
words: 182
cited_by: 1
indexed_by: stealpage
---

**Resolved** - This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.  
Sep 22, 02:35 UTC

**Monitoring** - We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.  
Sep 22, 02:11 UTC

**Update** - We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.  
Sep 22, 01:35 UTC

**Identified** - We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.  
Sep 22, 01:17 UTC

**Investigating** - We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.  
Sep 22, 00:57 UTC