# cerebras vs xai — AI API latency comparison
Updated July 24, 2026. As of July 24, 2026, cerebras has lower edge latency (time-to-first-byte) than xai in 3 of 4 measured region(s). From Europe (Germany), cerebras responds in 200 ms p50 vs 299 ms.

| Region | cerebras p50 | xai p50 | Faster |
| --- | --- | --- | --- |
| Asia (Tokyo) | 203 ms | 172 ms | xai |
| Europe (Germany) | 200 ms | 299 ms | cerebras |
| South America (São Paulo) | 186 ms | 265 ms | cerebras |
| US (Central) | 66 ms | 128 ms | cerebras |


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