# AI API latency, week of 07 September 2026: what actually moved

Published 2026-09-14 · covers 07 September 2026

Week of 07 September 2026: 2 different providers were fastest across the 4 regions we measure from, and 2 provider-region pairs moved by more than a quarter against the week before. Who led each region last week? Region Fastest p50 TTFB Uptime Asia (Tokyo) fireworks 20 ms 100% Europe (Germany) fireworks 98 ms 100% South America (São Paulo) openrouter 58 ms 100% US (Central) fireworks 39 ms 100% What changed by more than 25%? Provider Region Week before This week Change inference-net Asia (Tokyo) 720 ms 366 ms -49% inference-net Europe (Germany) 183 ms 107 ms -42%

Source: https://llmlatency.dev/blog/latency-week-2026-w37 · CC BY 4.0