Directory · Routing layer
Routers & gateways
Can't pick one model? Route per request. 17 verified gateways and routers, updated daily.
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4 of 17 active routers
BerriAI
~100 models · Free OSS
Open-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
Kong Inc.
Subscription
Multi-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
LMSYS (lm-sys)
Free OSS
Open-source LLM routing framework from LMSYS that routes simpler queries to a cheaper weak model and harder ones to a stronger frontier model, achieving 35–85% cost reduction on benchmarks.
Red Hat / vLLM Project
Free OSS
Open-source Mixture-of-Models router that semantically classifies each request and routes it to the best backend (local, private, or frontier) by cost, latency, privacy, or safety, deployed as an Envoy External Processor.
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