groq vs xai — AI API latency comparison
As of July 24, 2026, groq has lower edge latency (time-to-first-byte) than xai in 4 of 4 measured region(s). From South America (São Paulo), groq responds in 228 ms p50 vs 270 ms.
Edge latency by region
| Region | groq p50 TTFB | xai p50 TTFB | Faster |
|---|---|---|---|
| Asia (Tokyo) | 147 ms | 172 ms | groq |
| Europe (Germany) | 297 ms | 298 ms | groq |
| South America (São Paulo) | 228 ms | 270 ms | groq |
| US (Central) | 112 ms | 129 ms | groq |
Full details: groq by region · xai by region.