Key facts
- DeepSeek's chatbot and API services for V4 Pro and V4.1 Flash models were affected.
- Refunds are based on actual API spending from October 8 to October 14.
Chinese AI firm DeepSeek will refund users for API consumption between October 8 and October 14 after a nearly five-hour service outage on Thursday. The company apologized for the disruption and is investigating the cause to prevent future incidents.

Service outages at AI providers can disrupt product development and operations for enterprise users who rely on their APIs for critical functions.
Chinese artificial intelligence firm DeepSeek apologized and promised compensation to users after its services suffered a nearly five-hour outage on Thursday. The outage, which began at 8:11 a.m. Beijing time and lasted until 1:04 p.m., affected DeepSeek's chatbot and API services for its V4 Pro and V4.1 Flash models. As compensation, DeepSeek will issue users a full refund for any consumption between October 8 and October 14 in the form of credits. The company stated it is conducting a thorough investigation and overhaul of service stability to prevent similar incidents. Some users reported receiving refunds exceeding 1,000 yuan (approximately $150).
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