LiteLLM vs OpenRouter comparison
Compare LiteLLM and OpenRouter in Developer / Infra item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.
A self-hosted open-source LLM gateway
An open-source Python SDK and self-hostable AI gateway (proxy) that calls 100+ LLM providers in OpenAI-compatible format. It handles cost tracking, load balancing, fallbacks, guardrails, and virtual key provisioning all in one place.
Edge vs. similar tools: Its strength is the MIT-licensed core you can self-host, running virtual keys, budgets, and cost tracking without ever sending data outside your environment.
300+ LLMs through one API
A unified LLM gateway that lets you call 300+ LLMs through a single OpenAI-compatible API and one shared credit balance. You can freely route between and compare models without managing a separate key for each provider.
Edge vs. similar tools: Its strength is passing through provider pricing as-is while offering automatic fallback and model routing from a single key.
Item-by-item comparison
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 2
Cross-cutting
- Korean
- Not supported
- API
- Yes
- Commercial use
- Allowed
Pricing
- Free plan
- Yes
- Cheapest paid
- Free
- Plans
- 3
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Allowed
LiteLLM vs OpenRouter: which should you choose?
- LiteLLM and OpenRouter can be started for free, so you can see the results first without signing up.
- The overall AI Score is higher for OpenRouter (LiteLLM 88 vs OpenRouter 90). If you prioritize output quality, OpenRouter is ahead.
- If a Korean environment matters, OpenRouter has the edge (Korean I/O).