Outage in Anthropic

Model usage attribution issues

Resolved Minor
November 24, 2025 - Started about 7 hours ago - Lasted about 2 hours
Official incident page

Incident Report

We're investigating an issue where some users' Sonnet model usage was counted as Opus usage.

Need to monitor Anthropic outages?

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Latest Updates ( sorted recent to last )
RESOLVED about 6 hours ago - at 11/24/2025 07:43PM

We've identified and mitigated the issue. We've also reset usage limits for all users.

INVESTIGATING about 7 hours ago - at 11/24/2025 06:15PM

We're investigating an issue where some users' Sonnet model usage was counted as Opus usage.

Status Aggregator for All Your Third-Party Services

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 · 4600 services available

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