Anthropic's Claude services experienced a partial outage that began at 14:00 UTC. The disruption affected various functionalities across Claude, Claude Code, Claude Cowork, and the Claude API and Console. Anthropic confirmed the outage and was actively working on a resolution.
The outage manifested in several ways for users. Initially, errors were reported across the platform. While these initial issues were mitigated by 14:36 UTC, a subsequent problem persisted, preventing many users from signing in, particularly through single sign-on and "Sign in with Apple".
Beyond sign-in difficulties, users were unable to start new chats, engage in voice conversations, initiate Claude Code or Cowork sessions, make purchases, or upload files. Existing conversations were largely functional after the initial mitigation.
The confirmed partial outage specifically impacted Claude, Claude Code, Claude Cowork, and the Claude API and Console. User reports on DownDetector indicated a spike in issues around the start of the outage. This incident follows previous partial Claude outages on September 11, September 15, and September 22.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
One email each morning: the day's tech stories, clustered across outlets and summarized. No account needed.
One email a day. Unsubscribe in one click, any time.
Spend a few minutes, get the whole day. Every topic's top stories in one hands-free rundown — listen, watch, or read the transcript.
▶ Play today's briefNew every morning, and the back catalogue is archived by date.
Anthropic confirmed a partial outage affecting Claude, Claude Code, Claude Cowork, and the Claude API and Console. The outage caused issues with new chats, sign-ins, and file uploads, but core services began resolving within an hour.
Claude experienced a partial outage starting at 14:00 UTC, affecting user sign-ins, new chats, voice conversations, and other features. While initial errors were mitigated, a second issue continues to prevent many users from accessing core functionalities.