LiteLLM vs OpenRouter

FeatureLiteLLMOpenRouter
CategoryAI DevelopmentAI Development
PricingFree (open-source) + EnterprisePay-per-use (varies by model)
GitHub Stars15,000—
PlatformsLinux, macOS, DockerWeb
Features
  • ✓ 100+ providers
  • ✓ Load balancing
  • ✓ Budget tracking
  • ✓ Caching
  • ✓ OpenAI-compatible
  • ✓ 200+ models
  • ✓ Unified API
  • ✓ Auto-fallback
  • ✓ Rate limiting
  • ✓ Usage tracking
  • ✓ OpenAI-compatible
Tags
api-gatewaymulti-providerproxyopen-source
apimulti-modelgatewayroutingpay-per-use