vLLM vs OpenRouter

FeaturevLLMOpenRouter
CategoryLocal AI InfrastructureAI Development
PricingFree (open-source)Pay-per-use (varies by model)
GitHub Stars45,000—
PlatformsLinuxWeb
Features
  • ✓ PagedAttention
  • ✓ Continuous batching
  • ✓ Tensor parallelism
  • ✓ OpenAI-compatible API
  • ✓ Multi-GPU
  • ✓ Quantization
  • ✓ 200+ models
  • ✓ Unified API
  • ✓ Auto-fallback
  • ✓ Rate limiting
  • ✓ Usage tracking
  • ✓ OpenAI-compatible
Tags
open-sourceinferenceservinggpuhigh-throughput
apimulti-modelgatewayroutingpay-per-use