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

| Region | p50 TTFB | p95 | Uptime |
| --- | --- | --- | --- |
| Asia (Tokyo) | 248 ms | 293 ms | 100% |
| Europe (Germany) | 226 ms | 402 ms | 100% |
| South America (São Paulo) | 243 ms | 538 ms | 100% |
| US (Central) | 138 ms | 172 ms | 100% |


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