Live4m ago

DeepSeek · 20h ago

DeepSeek Web/API Degraded Performance

Resolved

Yes — DeepSeek had a problem on September 20, 2026, and DeepSeek has since marked it resolved.

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Timeline

Started: Sep 20, 2026, 8:45 AM UTC

Last update: Sep 20, 2026, 8:58 AM UTC

Resolved: Sep 20, 2026, 8:58 AM UTC

Affected: DeepSeek V4.1 Flash API服务(API Service), 对话服务(Chatservice)

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DeepSeek outage: DeepSeek Web/API Degraded Performance (Sep 20, 2026) | AI Status