Anthropic Investigating Elevated Errors Across Multiple Models

The AI company is investigating a major incident affecting requests to multiple models.

By The Downtime · Jul 16, 2026 · 6:45 PM ·Updated 1 month ago

Anthropic is investigating elevated error rates affecting requests to multiple models, the company reported. The incident is classified as major impact and remains under investigation.

Anthropoc develops Claude, an AI assistant used by developers, enterprises, and consumers through its API and web interface.

The company first reported the issue in an investigating status update, stating that elevated errors were affecting multiple models and promising further updates as the investigation progresses. No details on root cause, scope, or customer impact have been provided.

This is a developing story and we will continue to report updates as they become available.

🕒 Live updates (6)

resolved Jul 16, 10:53 PM

This issue has been resolved. From 11:30am PT / 18:30 UTC through to 3:15pm PT / 22:15 UTC some users experienced elevated errors on requests to Claude Models. Most errors were experienced within the first hour of the impact window.

monitoring Jul 16, 10:01 PM

We have seen success rates recover and are continuing to monitor closely to ensure no further issues. We will provide an additional update shortly.

identified Jul 16, 8:58 PM

At this time, we are seeing recovery on requests to most models. We are continuing to see elevated errors on requests to Claude Fable 5 and Mythos 5, and are working to resolve these remaining issues. We will provide an additional update as soon as possible.

identified Jul 16, 8:07 PM

We are continuing to work to resolve issues resulting in elevated errors on requests to some Anthropic models. We will provide additional updates as soon as possible.

identified Jul 16, 7:14 PM

We have identified the cause of elevated errors on requests to multiple models, and are working to resolve this issue. We will provide an update as soon as possible.

investigating Jul 16, 6:36 PM

We are investigating elevated errors on requests to multiple models. We will provide an update as soon as possible.

📎 Sources

Anthropic status ↗

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.