Model Routing / Gateway
Cost/latency-aware routing between models or providers.
Portkey
AI gateway: routing, caching, observability, guardrails across providers.
used in
2
hybrid
freemium
LiteLLM
Open-source LLM gateway exposing 100+ providers through a single OpenAI-compatible API, as a Python SDK or proxy server.
used in
0
hybrid
freemium
OpenRouter
Unified API across 300+ LLMs from many providers; one API key.
used in
0
commercial
usage
Requesty
LLM routing gateway providing a single API across 400+ models with cost and reliability controls.
used in
0
commercial
usage