anthropic vs openrouter — AI API latency comparison
As of July 24, 2026, openrouter has lower edge latency (time-to-first-byte) than anthropic in 4 of 4 measured region(s). From Asia (Tokyo), openrouter responds in 53 ms p50 vs 251 ms.
Edge latency by region
| Region | anthropic p50 TTFB | openrouter p50 TTFB | Faster |
|---|---|---|---|
| Asia (Tokyo) | 251 ms | 53 ms | openrouter |
| Europe (Germany) | 200 ms | 99 ms | openrouter |
| South America (São Paulo) | 210 ms | 56 ms | openrouter |
| US (Central) | 108 ms | 58 ms | openrouter |
Full details: anthropic by region · openrouter by region.