LlamaIndex vs OpenRouter

FeatureLlamaIndexOpenRouter
CategoryAI DevelopmentAI Development
PricingFree (open-source) + CloudPay-per-use (varies by model)
GitHub Stars38,000—
PlatformsLinux, macOS, WindowsWeb
Features
  • ✓ RAG pipelines
  • ✓ Data connectors
  • ✓ Indexing
  • ✓ Query engine
  • ✓ Agent tools
  • ✓ 200+ models
  • ✓ Unified API
  • ✓ Auto-fallback
  • ✓ Rate limiting
  • ✓ Usage tracking
  • ✓ OpenAI-compatible
Tags
ragdataindexingopen-source
apimulti-modelgatewayroutingpay-per-use