Anthropic Outage History

Anthropic's Claude Sonnet 4.6 model experienced an elevated rate of errors for 49 minutes, affecting claude.ai, the API, and console services. The issue was identified and resolved with a fix implementation.

Anthropic experienced a 21-minute outage affecting workspace creation through the Claude Console and admin API. The issue prevented users from creating new workspaces while other core functionality like inference and the messages API remained operational. The problem was resolved after deploying a fix and monitoring for recovery.

Anthropic experienced authentication failures across Claude.ai (mobile, web, and desktop), platform.claude.com, and Claude Code from 17:25-17:44 UTC on April 8th, 2026. Users encountered elevated errors when attempting to log into these services. The authentication issue was resolved after 19 minutes of disruption.

Anthropic's Sonnet 4.6 model experienced elevated error rates for 3.2 hours, causing tasks to hang and requiring multiple retries, with users encountering 529 "Overloaded" API errors. The issue affected claude.ai, the API, and console across all platforms. Anthropic identified and implemented a fix, resolving the incident after monitoring confirmed normal operations were restored.

Anthropic experienced elevated errors across Claude.ai services from 14:32-15:12 UTC, affecting user login, voice mode functionality, and chat completion on both desktop and mobile platforms. Users reported constant "This isn't working right now..." error messages in the desktop app during the outage. The issue was identified, fixed, and resolved within approximately 1.5 hours with success rates returning to normal.

Anthropic's Sonnet 4.6 model experienced an elevated rate of errors for 20 minutes, affecting claude.ai, the API, and console services. The incident impacted users across all major Anthropic platforms. The issue was resolved after investigation and monitoring.

Anthropic experienced elevated errors across Claude.ai and related services from 15:00-16:30 UTC on April 6, affecting user login, chat conversations, and voice mode functionality on both desktop and mobile platforms. Users encountered issues including OAuth 500 errors when attempting to log in via CLI and other authentication failures. The issue was resolved after Anthropic applied a fix and monitored the services to ensure full recovery.

Anthropic experienced elevated errors on requests to Claude Sonnet 4.6, affecting claude.ai, console.anthropic.com, and api.anthropic.com for 1.2 hours. The incident was resolved after investigation and monitoring.

Anthropic experienced a minor issue where voice conversations were not appearing in the Claude.ai sidebar. The problem affected the claude.ai web interface for 3.7 hours. The issue was identified and a fix was implemented to restore normal functionality.

Anthropic experienced elevated errors on requests to Claude Opus 4.6 for 1.6 hours, affecting claude.ai, console.anthropic.com, and api.anthropic.com. The issue was identified and subsequently resolved.