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OpenRouter vs LiteLLM: catalog facts
OpenRouter	LiteLLM
Paid Pay-as-you-go pricing per model, with no subscriptions.	Free Free to download and self-host.
Web	Self-hosted
One API for over 500 models Automatic fallback between providers	One OpenAI-style API for over 100 providers Cost tracking, load balancing and logging built in
Adds a third party between you and the model provider Requires an account and prepaid usage	You run and maintain the gateway yourself Aimed at developers and teams rather than end users
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.