Anthropic experienced a significant service disruption on September 29, 2026, affecting multiple Claude products. The incident, which began around 14:00 UTC, caused elevated error rates across Claude.ai, Claude Code, Claude Cowork, and the Claude API. While initial mitigations reduced errors, a secondary issue prevented users from signing in, starting new chats, and uploading files. The company reported full resolution by 14:59 UTC, though some messages sent during the outage may not have been saved. AI
IMPACT Service disruptions can impact user trust and productivity, potentially leading users to explore alternative AI tools.
RANK_REASON The cluster describes a service disruption for an existing product, not a new release or significant industry event.
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