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OpenRouter vs LiteLLM
A fact table for OpenRouter and LiteLLM (both in LLM APIs & Model Providers). For at least one of the two we could not confirm the pricing model from the vendor's pricing page, so check the vendor's site.
| OpenRouter | LiteLLM | |
|---|---|---|
| Category | LLM APIs & Model Providers | LLM APIs & Model Providers |
| What it does | Unified API that routes requests to many model providers. | Open-source gateway for calling many LLM providers through one OpenAI-style interface. |
| Pricing model | See site Pricing not confirmed here; see the vendor's site | See site Pricing not confirmed here; see the vendor's site |
| Pricing source | Not confirmed here; check the vendor's site. | Not confirmed here; check the vendor's site. |
| Official site | https://openrouter.ai/ | https://www.litellm.ai/ |
| Link checked | 2026-11-01 | 2026-11-01 |
About this page. It only shows facts we can point to: category, official site and the pricing model shown on the vendor's pricing page when we could confirm it. It does not score features or pick a winner, since the better fit depends on what you need. Plans change often, so verify on each vendor's site.