# yi-01ai — AI API latency & reliability by region
Updated July 23, 2026. Edge latency and uptime of the yi-01ai API measured from each region.

| Region | p50 TTFB | p95 | Uptime |
| --- | --- | --- | --- |
| Asia (Tokyo) | 352 ms | 1002 ms | 97% |
| Europe (Germany) | 316 ms | 769 ms | 100% |
| South America (São Paulo) | 495 ms | 1381 ms | 100% |
| US (Central) | 378 ms | 1625 ms | 100% |


Source: https://llmlatency.dev/provider/yi-01ai