AI API latency, week of 14 September 2026: what actually moved

· covers 14 September 2026

Week of 14 September 2026: 2 different providers were fastest across the 4 regions we measure from, and 4 provider-region pairs moved by more than a quarter against the week before.

Who led each region last week?

RegionFastestp50 TTFBUptime
Asia (Tokyo)fireworks19 ms100%
Europe (Germany)fireworks98 ms100%
South America (São Paulo)openrouter61 ms100%
US (Central)fireworks28 ms100%

What changed by more than 25%?

ProviderRegionWeek beforeThis weekChange
hyperbolicUS (Central)144 ms222 ms+54%
basetenUS (Central)66 ms47 ms-30%
inference-netUS (Central)152 ms108 ms-29%
fireworksUS (Central)39 ms28 ms-27%

Same series: ← 07 September 2026

This post is a snapshot. The live figures behind it: /fastest-ai-api · all posts