Outage in Anthropic

Elevated errors on requests to October Claude 3.5 Sonnet and 3.7 Sonnet

Resolved Major
April 29, 2025 - Started 1 day ago - Lasted about 2 hours
Official incident page

Need to monitor Anthropic outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Anthropic, and never miss an outage again.
Start Free Trial

Outage Details

We are seeing errors being returned across all Claude models.
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 04/29/2025 04:35PM

This incident has been resolved.

MONITORING 1 day ago - at 04/29/2025 04:08PM

The issue resulting in elevated error rates on requests to some models, including Claude 3.7 Sonnet, has been resolved. We are currently monitoring closely to ensure no further recurrence.

IDENTIFIED 1 day ago - at 04/29/2025 03:21PM

We have identified a hypothesis and we are working on mitigating the issue.

INVESTIGATING 1 day ago - at 04/29/2025 02:54PM

We are continuing to investigate this issue.

INVESTIGATING 1 day ago - at 04/29/2025 02:21PM

We are seeing errors being returned across all Claude models.

Be the first to know when Anthropic and other third-party services go down

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 3969 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook