Unverified50% confidenceFactExact time
LangChain采用分层架构，通过抽象核心(core)定义规范，基于核心提供各种具体实现(integration)，即面向接口编程
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
Related Claims
UnverifiedMainstream frameworks such as LangChain, LlamaIndex, and CrewAI all treat tool calling as a core abstraction.82% similarUnverifiedLangChain defines unified abstract base classes for each type of component, including BaseLanguageModel, BaseRetriever, and BaseTool.81% similarUnverifiedLangChain采用面向接口编程的分层架构，符合SOLID原则中的开放-封闭原则80% similarVerifiedLangChain is currently the most popular large model application development framework, providing abstraction layers for chained calls, memory management, and tool invocation.76% similar
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