Best LangChain Alternatives
4 alternatives to LangChain in AI Agents, compared by pricing, DX grade, security, and vendor lock-in.
#1
CrewAI
Multi-agent orchestration, role-based agents
Price vs LangChain
Free (OSS)
DX Grade
BSecurity
CLock-in Risk
Low (1/10)#2
LlamaIndex
RAG-focused, data connectors, index management
Price vs LangChain
Free (OSS)
DX Grade
BSecurity
BLock-in Risk
Low (1/10)#3
Vercel AI SDK
Next.js/React streaming, multi-provider, TypeScript-native
Price vs LangChain
Free (OSS)
DX Grade
ASecurity
BLock-in Risk
Medium (3/10)#4
Mastra
TypeScript-first agents, workflows, tool use, RAG
Price vs LangChain
Free (OSS)
DX Grade
ASecurity
BLock-in Risk
Low (1/10)