Unverified60% confidenceFactExact time
LangChain was initially released as a Python framework in late 2022
2
Sources
60%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Building LangGraph from Scratch in TypeScript: A Complete Agent Development Guide for Frontend Engineers
bilibili全栈架构师Cris6/21/2026
Related Claims
Cite This Claim
Stable URI
https://kongchang.com/claim/276372API
curl https://kongchang.com/api/v1/knowledge/claims/276372MCP
get_claim(id=276372)