Pyyan / Compare / aisuite vs OpenRouter vs LiteLLM vs Requesty
Routers & Gateways · verified 13 Aug 2026
| Specification | aisuite | OpenRouter | LiteLLM | Requesty |
|---|---|---|---|---|
| Summary | SDK-level abstraction, no proxy hop. | Biggest catalogue, simplest start. | The self-hosted standard. | Lowest measured overhead. |
| Added latency | None | 40–55ms | Self-hosted | 8ms P50 |
| Hosting | Library | Managed | Self | Managed |
| Caching | — | — | Redis | — |
| Category | Routers & Gateways | Routers & Gateways | Routers & Gateways | Routers & Gateways |
| Official | Andrew Ng ↗ | OpenRouter ↗ | BerriAI ↗ | Requesty ↗ |
Highlighted rows are where these differ.
Best for prototyping.
Best for production.