DeepSeek services go down worldwide as a DeepSeek Harness account appears on Bilibili

DeepSeek's web chat and API suffered a partial outage starting 8:11 a.m. Beijing time on October 15, 2026, affecting the DeepSeek chat service, DeepSeek V4 Pro API and DeepSeek V4.1 Flash API, according to the company's status page.

The company says the cause has been located and a fix is underway, while a newly created account named "DeepSeekHarness" appeared on Bilibili the same day, and the source reports no official link between the two.