LiteLLM vs OpenRouter
A side-by-side comparison of LiteLLM and OpenRouter, two Inference tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
The honest brief
LiteLLM
Translates 100+ providers into one OpenAI-format call — so many other AI tools quietly embed it as their routing layer.
- Load balancing and guardrails built in
- Open source SDK + proxy
- Cost tracking, fallbacks, caching
- Self-host or managed cloud
- Proxy adds an extra hop
- Enterprise features are paid
- Operational upkeep self-hosted
OpenRouter
Swap among 300+ models behind one OpenAI-compatible key with auto-fallback and a single consolidated bill.
- Swap models by changing one parameter
- Automatic provider fallback
- One consolidated bill
- Dozens of free models
- Pass-through token pricing
- Adds a routing hop vs direct provider
- Markup on some routes
- Not a self-hostable gateway