Outage in Claude
Elevated errors for multiple models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated error rates across multiple Claude models — including Claude Mythos 5, Fable 5, Opus 5, and Opus 4.8 — affecting both claude.ai and the API for approximately 3.4 hours on August 24, 2026. Users were unable to get responses, encountering "response didn't load" errors despite having active subscriptions and working internet connections. The root cause was identified and resolved, with full service restored by 12:36am PT.
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
about 8 hours ago - at 08/24/2026 08:30AM
This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.
IDENTIFIED
about 9 hours ago - at 08/24/2026 07:47AM
At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.
IDENTIFIED
about 10 hours ago - at 08/24/2026 06:42AM
We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.
IDENTIFIED
about 11 hours ago - at 08/24/2026 05:27AM
We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.
INVESTIGATING
about 12 hours ago - at 08/24/2026 05:06AM
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.
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