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DeepSeek Outage History

Every past DeepSeek outage tracked by IsDown, with detection times, duration, and resolution details.

There were 58 DeepSeek outages since May 2024. The 29 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major May 8, 2026

May 2026: DeepSeek 网页/API不可用(DeepSeek Web/API Service Not Available)

Detected May 8, 2026 5:32 AM EDT · Resolved May 8, 2026 6:05 AM EDT · Duration 34 minutes

DeepSeek's API and web chat services experienced a major outage lasting 34 minutes, with users unable to access the platform and receiving service errors despite multiple refresh attempts. The issue was identified and a fix was implemented, with the incident fully resolved after a brief monitoring period.

Major May 5, 2026

May 2026: DeepSeek 网页/API 性能异常(DeepSeek Web/API Service Degraded Performance)

Detected May 5, 2026 11:53 PM EDT · Resolved May 6, 2026 12:06 AM EDT · Duration 13 minutes

DeepSeek experienced degraded performance affecting both their API service and web chat service for 13 minutes. The issue was identified and a fix was implemented to restore normal operations. The incident was fully resolved with services returning to normal functionality.

Major April 22, 2026

April 2026: DeepSeek API 异常(DeepSeek API Abnormal)

Detected Apr 22, 2026 6:23 AM EDT · Resolved Apr 22, 2026 7:29 AM EDT · Duration about 1 hour

DeepSeek experienced a major API service outage that lasted 1.1 hours on April 22, 2026. The incident affected the API service component, preventing users from accessing DeepSeek's API functionality. The issue was resolved after investigation and service was restored.

Minor April 3, 2026

April 2026: DeepSeek 网页/APP 服务异常(DeepSeek Web/APP Service Abnormal)

Detected Apr 3, 2026 4:36 AM EDT · Resolved Apr 3, 2026 4:53 AM EDT · Duration 17 minutes

DeepSeek's web chat service experienced a 17-minute outage where users encountered "server busy" errors when attempting to upload images or send messages. The incident affected the web chat functionality, preventing normal interaction with the service. The issue was resolved after implementing a fix and monitoring the results.

Major March 29, 2026

March 2026: DeepSeek 网页/APP 性能异常(DeepSeek Web/APP Service Performance Agnormal)

Detected Mar 29, 2026 12:20 PM EDT · Resolved Mar 29, 2026 10:36 PM EDT · Duration about 10 hours

DeepSeek's web and mobile app chat services experienced major performance issues for 10.3 hours on March 30, 2026. The incident affected the Web Chat Service, preventing or degrading users' ability to interact with the platform through web browsers and mobile applications. The service was restored after multiple fix attempts and monitoring periods, with the incident fully resolved by 10:33 AM local time.

Major March 29, 2026

March 2026: DeepSeek 网页/APP 服务异常(DeepSeek Web/APP Service Abnormal)

Detected Mar 29, 2026 9:35 AM EDT · Resolved Mar 29, 2026 11:23 AM EDT · Duration about 2 hours

DeepSeek's web chat service experienced a major outage lasting 1.8 hours, preventing users from receiving responses in chat sessions with many encountering "server busy" messages. Users reported that the service was not responding or refreshing during the incident. The issue was identified as a server overload problem, fixed, and fully resolved after monitoring confirmed the solution was working properly.