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Outage in Claude

Elevated errors for multiple models

Resolved Major
July 16, 2026 - Started 1 day ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

**Claude experienced elevated error rates across multiple models on July 16, 2026, affecting both claude.ai and api.anthropic.com for approximately 4.3 hours (11:30 AM–3:15 PM PT).** The majority of errors occurred within the first hour, with Claude Fable 5 and Mythos 5 being the last models to recover. The issue was identified and resolved, with success rates returning to normal by 3:15 PM PT.

We are investigating elevated errors on requests to multiple models. We will provide an update as soon as possible.
Components affected
Claude claude.ai Claude api.anthropic.com
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 07/16/2026 10:53PM

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 1 day ago - at 07/16/2026 10:01PM

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 1 day ago - at 07/16/2026 08:58PM

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 1 day ago - at 07/16/2026 08:07PM

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 1 day ago - at 07/16/2026 07:14PM

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 1 day ago - at 07/16/2026 06:36PM

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

Latest Claude outages

Elevated errors across Fable 5 - about 17 hours ago
Elevated error rates for Sonnet 5 - about 18 hours ago

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