Best LLM API gateways and routers
Services and self-hosted proxies that put many AI model providers behind one API, with routing, fallbacks, spend limits and usage logs.
2 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All LLM API gateways and routers
- Alternatives to OpenRouter

One OpenAI-compatible API and credit balance for hundreds of AI models from dozens of providers.
Free plan + paidWeb - Alternatives to TrueFoundry

Enterprise AI gateway that routes, governs and logs LLM, MCP and agent traffic across providers.
Free plan + paidSelf-hostableWeb, Self-hosted
Our picks by need
Best for most people
OpenRouterBest for self-hosting
TrueFoundryCommon questions
What are the best LLM API gateways and routers?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading LLM API gateways and routers right now are OpenRouter and TrueFoundry.
Are there free LLM API gateways and routers?
Yes. OpenRouter (free plan + paid) and TrueFoundry (free plan + paid) have a free option, out of 2 free or freemium apps we track.
Which LLM API gateways and routers are open source?
None of the apps in this category is open source.