# AI API latency, week of 27 July 2026: what actually moved

Published 2026-08-03 · covers 27 July 2026

Week of 27 July 2026: 3 different providers were fastest across the 4 regions we measure from, and 7 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 16 ms 100% Europe (Germany) nscale 98 ms 100% South America (São Paulo) openrouter 57 ms 100% US (Central) fireworks 39 ms 100% What changed by more than 25%? Provider Region Week before This week Change reka US (Central) 174 ms 374 ms +115% inference-net Europe (Germany) 201 ms 103 ms -49% fireworks US (Central) 27 ms 39 ms +45% yi-01ai US (Central) 364 ms 258 ms -29% yi-01ai Asia (Tokyo) 340 ms 246 ms -28% yi-01ai Europe (Germany) 327 ms 241 ms -26% yi-01ai South America (São Paulo) 489 ms 362 ms -26%

Source: https://llmlatency.dev/blog/latency-week-2026-w31 · CC BY 4.0