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.aiAI gateway and LLM proxy: one OpenAI-compatible key for 140+ providers, with spend tracking, caps and routing. Self-hostable.
Visit LiteLLMOpenRouter
openrouter.aiOne API for many models from many providers, with model and price comparison.
Visit OpenRouter| LiteLLM | OpenRouter | |
|---|---|---|
| What it does | AI 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 words | LiteLLM: AI gateway and LLM proxy | OpenRouter: the unified interface for every model |
| Open source | No | No |
| Website | litellm.ai | openrouter.ai |
| Link checked | 2026-10-23 | 2026-10-23 |
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