# cerebras vs openai — AI API latency comparison
Updated July 24, 2026. As of July 24, 2026, cerebras has lower edge latency (time-to-first-byte) than openai in 3 of 4 measured region(s). From Europe (Germany), cerebras responds in 200 ms p50 vs 290 ms.

| Region | cerebras p50 | openai p50 | Faster |
| --- | --- | --- | --- |
| Asia (Tokyo) | 203 ms | 202 ms | openai |
| Europe (Germany) | 200 ms | 290 ms | cerebras |
| South America (São Paulo) | 186 ms | 221 ms | cerebras |
| US (Central) | 66 ms | 127 ms | cerebras |


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