DeepSeek API slowdown on 16 October 2026

DeepSeek API from Amsterdam, Mumbai, Singapore: slower than usual; 2026-10-16 13:30 UTC to 2026-10-16 15:00 UTC: peak first visible token 1.14 s vs a usual 0.75 s.

What our checks saw: Slower than usual
Cities affected: Amsterdam, Mumbai, Singapore
When: 16 Oct, 13:30 UTC to 16 Oct, 15:00 UTC
How long: 90 minutes
Slowest check: 1.14 s, usually 746 ms
DeepSeek's status page: Open it

Where our checks saw it

Each glowing city had slow or failing checks during the incident, shown at its worst. We test from 6 cities, so other places may have been hit too.

Our checks, city by city

Each point is one check every 30 minutes, from three hours before the incident to three hours after. Coloured points are the checks we counted as slower or failing. The shaded area shows how far above the usual time they were. Not affected: San Francisco, Montreal, Tokyo.

Amsterdam

Each check (UTC)Usual (746 ms)Slow check outside the incidentIncident

Every check as a table

Time (UTC)	Check	Reading
10:30	793 ms	Normal
11:00	653 ms	Normal
11:30	791 ms	Normal
12:00	926 ms	Normal
12:30	722 ms	Normal
13:00	1.40 s	Slower than usual
13:30	877 ms	Normal
14:00	825 ms	Normal
14:30	848 ms	Normal
15:00	930 ms	Normal
15:30	1.44 s	Slower than usual
16:00	1.45 s	Slower than usual
16:30	868 ms	Normal
17:00	819 ms	Normal
17:30	927 ms	Normal
18:00	827 ms	Normal

Singapore

Each check (UTC)Usual (574 ms)Slow check outside the incidentIncident

Every check as a table

Time (UTC)	Check	Reading
10:30	680 ms	Normal
11:00	652 ms	Normal
11:30	491 ms	Normal
12:00	597 ms	Normal
12:30	639 ms	Normal
13:00	1.16 s	Slower than usual
13:30	699 ms	Normal
14:00	777 ms	Normal
14:30	699 ms	Normal
15:00	800 ms	Normal
15:30	1.16 s	Slower than usual
16:00	1.35 s	Slower than usual
16:30	614 ms	Normal
17:00	616 ms	Normal
17:30	514 ms	Normal
18:00	523 ms	Normal

Mumbai

Each check (UTC)Usual (636 ms)Slow check outside the incidentIncident

Every check as a table

Time (UTC)	Check	Reading
10:30	605 ms	Normal
11:00	709 ms	Normal
11:30	620 ms	Normal
12:00	704 ms	Normal
12:30	540 ms	Normal
13:00	1.25 s	Slower than usual
13:30	754 ms	Normal
14:00	652 ms	Normal
14:30	786 ms	Normal
15:00	857 ms	Normal
15:30	1.20 s	Slower than usual
16:00	1.23 s	Slower than usual
16:30	432 ms	Normal
17:00	665 ms	Normal
17:30	732 ms	Normal
18:00	740 ms	Normal

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