AI API latency, week of 17 August 2026: what actually moved
· covers 17 August 2026
Week of 17 August 2026: 4 different providers were fastest across the 4 regions we measure from, and 5 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 | 58 ms | 100% |
| US (Central) | 46 ms | 100% |
What changed by more than 25%?
| Provider | Region | Week before | This week | Change |
|---|---|---|---|---|
| replicate | South America (São Paulo) | 375 ms | 186 ms | -50% |
| reka | South America (São Paulo) | 270 ms | 369 ms | +37% |
| openai | Europe (Germany) | 209 ms | 285 ms | +36% |
| ai21 | Europe (Germany) | 307 ms | 397 ms | +29% |
| glm | Europe (Germany) | 798 ms | 596 ms | -25% |
Same series: ← 10 August 2026 · 24 August 2026 →
This post is a snapshot. The live figures behind it: /fastest-ai-api · all posts