Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Oct 5 , 13:21 UTC Resolved - The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC. Oct 5 , 13:05 UTC Investigating - We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.
| Source | Anthropic Status |
|---|---|
| Fetched | 10/22/2026, 01:17 AM |
| Data | Markdown JSON |
On 10/05/2026, 10:21 PM, Anthropic Status published "Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1" (type: Outage / maintenance). Status is "Resolved". Related technologies: Anthropic (Claude).