Anthropic Suffered Outage Across Claude AI Platforms
The AI service experienced technical issues on September 29, 2026, impacting web and mobile users.
Updated on Sept. 29, 2026 in Artificial Intelligence
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Anthropic confirmed a service interruption affecting the Claude AI chatbot, Claude Cowork, and Claude Code. The disruption rendered platforms inaccessible across web, iOS, Android, and desktop versions.
Why it matters
The outage limits access to productivity tools for users relying on the AI models for tasks like code generation and workflow assistance. The incident underscores the fragility of cloud-hosted AI infrastructure during periods of high demand.
Down Detector recorded 2,900 user reports of system errors at 10:04 AM ET. The disruption triggered request processing errors and account registration loops across all Claude interfaces.
The players
Anthropic
Anthropic is an AI safety and research company that develops the Claude series of large language models.
The details
Users attempting to engage with the AI chatbot encountered persistent request processing errors or became trapped in endless sign-up loops. Anthropic officially acknowledged the partial outage on its status dashboard while working to restore connectivity.
Timeline
September 29, 2026, shortly before 10 AM ET: Service interruption began.
September 29, 2026, 10:04 AM ET: 2,900 issues reported on Down Detector.
September 29, 2026, 10:21 AM ET: Anthropic confirmed the partial outage.
The Tech Race
This disruption mirrors the historical reliability challenges faced by industry peers like OpenAI as they scale complex AI models. The incident reflects the ongoing arms race to maintain stable, high-availability service for rapidly expanding user bases.
Users currently experience an inability to log into their accounts or receive responses to queries across all Claude interfaces. The failure directly interrupts workflows for individuals and businesses that integrate Claude Cowork or Claude Code into their daily operations.
The takeaway
Reliability incidents can occur without warning, making it vital for power users to maintain secondary workflows. Organizations relying on AI should consider how they might continue operations when cloud-based AI tools go offline.
Further reading
For more on the current state of industry-wide service performance, visit the Artificial Intelligence section.
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