Weights & Biases vs LangChain

FeatureWeights & BiasesLangChain
CategoryMLOpsAI Agent Frameworks
PricingFree + Teams $50/moFree + LangSmith paid
GitHub Stars9,00098,000
PlatformsLinux, macOS, Windows, WebmacOS, Linux, Windows
Features
  • ✓ Experiment tracking
  • ✓ Model registry
  • ✓ Sweeps
  • ✓ Reports
  • ✓ Artifacts
  • ✓ Chain composition
  • ✓ RAG pipelines
  • ✓ Agent toolkits
  • ✓ Memory systems
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ LangGraph
Tags
mlopstrackingexperimentsmonitoring
open-sourceframeworkpythonjavascriptragchains