Claude Outage History

Claude's Sonnet 4.6 model experienced elevated error rates for 3.2 hours, causing widespread service disruptions across claude.ai, the API, and console. Users reported unresponsive prompts, repeated "taking longer than usual" messages, 529 overloaded errors, and complete inability to access chats or use Claude's code features. The issue was identified and resolved with a fix implementation, restoring normal service functionality.

Claude's Sonnet 4.6 model experienced an elevated rate of errors affecting claude.ai, the API, and console for 16 minutes. The incident impacted users across all Claude platforms who were using the Sonnet 4.6 model. The issue was resolved after investigation and monitoring.

Claude.ai experienced elevated errors for 1.5 hours affecting login functionality, chat conversations, voice mode, and authentication for Claude Code across desktop, mobile, and web platforms. Users encountered login timeouts, OAuth errors, 401/500 errors, chat failures, and some reported losing entire chat histories. The issue was resolved after engineers applied a fix and monitored for stability.

Claude Sonnet 4.6 experienced elevated error rates for 1.1 hours, affecting requests across claude.ai, console.anthropic.com, and api.anthropic.com. The service disruption impacted users' ability to successfully interact with the Claude Sonnet 4.6 model. The incident was investigated and resolved.

Claude.ai experienced an issue where voice conversations were not appearing in the sidebar, and users reported content disappearing after upgrading to Pro, with some encountering white screens when opening the application on Windows. The problem was identified after 3.7 hours and a fix was implemented to restore normal functionality.

Claude Opus 4.6 experienced elevated errors for 1.6 hours, affecting claude.ai, console.anthropic.com, and api.anthropic.com. Users reported that Claude's responses could not be fully generated during the incident. The issue was identified and subsequently resolved.

Claude Haiku 4.5 experienced elevated errors and latency for 44 minutes, affecting claude.ai, console.anthropic.com, and api.anthropic.com. A fix was implemented and monitored before the incident was fully resolved.

Claude.ai desktop application experienced a major outage for 2.8 hours where connectors became unavailable and the service displayed maintenance errors, crashed frequently, and failed to respond to user queries. The issue was caused by connectors being removed from organization allowlists, preventing normal functionality. The incident was resolved by identifying the root cause and providing manual restoration options while working on automatic recovery of affected allowlists.

Claude's Opus 4.6 and Sonnet 4.6 models experienced elevated error rates for 2.5 hours, affecting claude.ai, the developer console, and API services. Users reported receiving maintenance error messages, inability to get responses to basic questions, and frequent crashes that prevented business work from being completed. The issue was identified and resolved with a implemented fix.