Agent Stack Directory

Compare model gateways

LiteLLM vs OpenRouter

Two model gateways tools for AI agents, side by side. Facts come from each tool's own site.

LiteLLM

litellm.ai

AI gateway and LLM proxy: one OpenAI-compatible key for 140+ providers, with spend tracking, caps and routing. Self-hostable.

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OpenRouter

openrouter.ai

One API for many models from many providers, with model and price comparison.

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LiteLLM compared with OpenRouter
LiteLLMOpenRouter
What it doesAI gateway and LLM proxy: one OpenAI-compatible key for 140+ providers, with spend tracking, caps and routing. Self-hostable.One API for many models from many providers, with model and price comparison.
In their wordsLiteLLM: AI gateway and LLM proxyOpenRouter: the unified interface for every model
Open sourceNoNo
Websitelitellm.aiopenrouter.ai
Link checked2026-10-232026-10-23

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