# deepseek vs xai — AI API latency comparison
Updated July 24, 2026. As of July 24, 2026, xai has lower edge latency (time-to-first-byte) than deepseek in 3 of 4 measured region(s). From US (Central), xai responds in 128 ms p50 vs 309 ms.

| Region | deepseek p50 | xai p50 | Faster |
| --- | --- | --- | --- |
| Asia (Tokyo) | 172 ms | 172 ms | deepseek |
| Europe (Germany) | 299 ms | 299 ms | xai |
| South America (São Paulo) | 425 ms | 265 ms | xai |
| US (Central) | 309 ms | 128 ms | xai |


Source: https://llmlatency.dev/compare/deepseek-vs-xai