Claude Outage History

Claude Sonnet 4.6 experienced elevated errors affecting free Claude.ai users, causing prompts to repeatedly reattempt, load indefinitely with error messages, and fail to generate documents or complete tasks. The incident lasted 1.6 hours before a fix was implemented and the service was restored to normal operation.

Claude Opus 4.6 experienced elevated errors for 2 hours, affecting claude.ai, console.anthropic.com, and api.anthropic.com. Users reported getting stuck on "Taking longer than usual" messages with multiple retry attempts, responses appearing to run in the background without completing, and general unresponsiveness when using Claude Pro with Opus 4.6. The issue was identified and resolved with a fix that was monitored before full resolution.

Claude Sonnet 4.6 experienced elevated errors for 4.9 hours, initially affecting only free Claude.ai users before impacting the broader claude.ai service. The issue was identified and a fix was implemented, with the incident fully resolved after a monitoring period.

Claude Sonnet 4.6 experienced elevated error rates affecting free tier users for 2.5 hours, causing chat sessions to hang, timeout after multiple attempts, and fail to provide responses. The issue impacted claude.ai, console.anthropic.com, and api.anthropic.com, with users reporting that Claude would get stuck "thinking" indefinitely or display maintenance messages. The problem was identified and resolved with a implemented fix.

Claude.ai experienced elevated errors for 24 minutes, affecting the web interface. The incident was investigated and resolved without further details provided about the specific nature of the errors or resolution steps.

Claude.ai experienced elevated errors for 36 minutes, causing a temporary service disruption that prevented users from accessing the service. Users encountered error messages stating "Claude will return soon" and were advised to check back later. The issue was resolved after implementing a fix and monitoring the results.

Claude experienced elevated errors affecting both Opus 4.6 and Sonnet 4.6 models across claude.ai and the API for 2.7 hours. Users reported false length limit warnings, extremely slow processing times with multiple retry attempts, and complete failures to respond to prompts. The incident was resolved after investigation and fixes were implemented.

Claude Sonnet 4.6 experienced elevated errors starting at 9:27 PT, affecting both claude.ai and api.anthropic.com services. This was a repeat of an earlier issue that occurred the same day. The incident was resolved after 3.2 hours of service disruption.

Claude.ai experienced elevated errors and login issues for 2.7 hours, preventing users from authenticating, uploading files, accessing chats, and using Claude Code features. Users reported OAuth failures, timeout errors, inability to continue conversations, and general "not working right now" messages throughout the incident. The issue was identified and resolved with a fix implementation, with errors returning to baseline levels.

Claude Haiku 4.5 experienced elevated error rates for approximately 1 hour and 9 minutes, affecting both claude.ai and api.anthropic.com between 5:35-6:44 PT on March 7th. The service has been restored to baseline error rates and the incident is resolved.