DeepSeek problems on 27 October 2026

Status	Resolved
Worst verdict	Some users report problems
Started	27 Oct 2026, 07:11 UTC
Ended	27 Oct 2026, 07:22 UTC
Duration	11 min
Official incident	DeepSeek Web/API Degraded Performance
Affected	DeepSeek V4 Pro API服务(API Service)

Timeline

27 Oct 2026, 07:11 UTC

We started seeing problems. Our verdict: Some users report problems.
27 Oct 2026, 07:11 UTC · official update

DeepSeek Web/API Degraded Performance (investigating): “正在排查问题，以定位原因。 The issue is being investigated to identify the cause.” Source
27 Oct 2026, 07:22 UTC

Looking normal again. We'll keep watching for 15 minutes before closing this.
27 Oct 2026, 07:36 UTC

Everything has looked normal for 15 minutes, so we marked this incident as resolved.

Times are shown in your local time zone. “Official update” entries quote DeepSeek's status page; follow the source link for the full text.

How we track incidents

We open an incident when DeepSeek stops looking normal or DeepSeek posts an official incident, and close it after 15 minutes with everything back to normal. More about our method.