Degraded
DeepSeek API outage on September 17, 2026: what happened and how long it lasted
On September 17, 2026, DeepSeek had degraded performance between 08:45 and 08:53 UTC, about 8 min in total. The vendor posted 1 incident.
Timeline (UTC)
- OfficialOfficial incident posted: DeepSeek 网页/API 性能下降（DeepSeek Web/API Degraded Performance）
- OfficialOfficially resolved: DeepSeek 网页/API 性能下降（DeepSeek Web/API Degraded Performance）
Hourly measurements (UTC)
00:0012:0023:00
Was DeepSeek API down on September 17, 2026?
On September 17, 2026, DeepSeek had degraded performance between 08:45 and 08:53 UTC, about 8 min in total. The vendor posted 1 incident.
Is DeepSeek API working now?
Live status: modelbank.ai/status/deepseek. We test it every 2 minutes.
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