Outage in Anthropic

Elevated errors on Claude Sonnet 3.7

Resolved Minor
August 12, 2025 - Started about 12 hours ago - Lasted about 3 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

Since 23:55 PT we have seen an increase of errors on the Claude Sonnet 3.7 model.
Latest Updates ( sorted recent to last )
RESOLVED about 10 hours ago - at 08/12/2025 11:32AM

As of 13:15 UTC / 6:15 PT we have mitigated the incident.

INVESTIGATING about 12 hours ago - at 08/12/2025 08:56AM

Since 23:55 PT we have seen an increase of errors on the Claude Sonnet 3.7 model.

Track All Vendor Statuses & Outages Instantly

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 · 4400 services available

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