🟢 Operational
Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
Resolved
- Started
- 2026-09-15 09:48 UTC
6 days ago - Last update
- 2026-09-15 11:14 UTC
6 days ago - Duration
- 1h 26m
Timeline
-
15 Sep · 11:14 UTC
🟡 Resolved
atom
Sep 15, 11:14 UTC
Resolved - A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.
Sep 15, 10:50 UTC
Monitoring - A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.
Sep 15, 09:52 UTC
Update - 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.
Sep 15, 09:48 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. -
15 Sep · 10:50 UTC
🟡 Monitoring
atom
Sep 15, 10:50 UTC
Monitoring - A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.
Sep 15, 09:52 UTC
Update - 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.
Sep 15, 09:48 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. -
15 Sep · 09:52 UTC
🟡 Identified
atom
Sep 15, 09:52 UTC
Update - 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.
Sep 15, 09:48 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. -
15 Sep · 09:48 UTC
🟡 Investigating
atom
Sep 15, 09:48 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
Official Anthropic (Claude) status — view original incident ↗
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