Expired75% confidenceFactExact time

New versions of LangChain (0.2 and above) split the framework into sub-packages such as langchain-core and langchain-community, and introduced LCEL (LangChain Expression Language) as a unified chaining syntax.

5

Sources

75%

Confidence

Medium-term (~90 days)

Relevance

7/3/2026

First Seen

Valid until: 10/1/2026(expired)

Sources

LangChain入门：Model与Agent核心概念详解

bilibiliAgentic_RAG7/2/2026

Related Claims

VerifiedThe LangChain project has been progressively split into multiple sub-libraries, including langchain-core, langchain-community, LangSmith, and LangServe.80% similar UnverifiedLangChain's core modules include LangChain Core, LangChain Community, and LangGraph, and it adopts the LCEL declarative syntax.78% similar UnverifiedLangChain underwent a large-scale refactoring between versions 0.1 and 0.3, introducing the new LCEL (LangChain Expression Language) paradigm, which means older code often cannot run directly.74% similar UnverifiedAs of version 1.3, the LangChain ecosystem has formed a three-layer architecture consisting of langchain-core, langchain-community, and LangGraph, paired with the LangSmith observability platform.72% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/62074

API

curl https://kongchang.com/api/v1/knowledge/claims/62074

MCP

get_claim(id=62074)