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

| Region | p50 TTFB | p95 | Uptime |
| --- | --- | --- | --- |
| Asia (Tokyo) | 176 ms | 840 ms | 100% |
| Europe (Germany) | 297 ms | 804 ms | 100% |
| South America (São Paulo) | 265 ms | 992 ms | 100% |
| US (Central) | 129 ms | 838 ms | 100% |


Source: https://llmlatency.dev/provider/xai