DeepSeek 12-hour outage leaves millions cut off, sparks complaints as rivals gain ground
SCMP Tech / 3/30/2026
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Key Points
- DeepSeek suffered a roughly 12-hour chatbot service outage overnight, leaving millions of users unable to access the platform.
- The disruption triggered widespread complaints, while some users shifted to rival chatbots during the downtime.
- DeepSeek indicated it restored service and expected to have full chatbot access back by Monday morning.
- The incident highlights how quickly outages can affect user trust and competitive positioning in the fast-moving AI chatbot market.
Chinese artificial intelligence start-up DeepSeek suffered a prolonged outage overnight that extended into early Monday morning, disrupting service for hundreds of millions of users, according to a company notice and user feedback.
The Hangzhou-based AI lab’s namesake chatbot website and app were offline from Sunday evening, with the company continuing to investigate while issuing fixes from between 1am and 9am on Monday, according to service maintenance records the company published online.
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