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langchain

AI Agents & Assistants

A framework for building agents and LLM‑powered applications by chaining interoperable components.

Python Latest langchain-deepseek==1.1.0 · 5h ago Security brief →

Features

  • Standard interfaces for models, embeddings, vector stores, and tools
  • Real‑time data augmentation via extensive integrations
  • Model interoperability to swap providers without code changes
  • Rapid prototyping with modular chains and components
  • Production‑ready monitoring, evaluation, and debugging through LangSmith

Recent releases

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langchain-deepseek==1.1.0 New feature
Dependencies

Content‑block‑centric streaming v2

No immediate action
langchain==1.3.4 Bugfix

HITL rejection guidance

No immediate action
langchain==1.3.3 New feature

HumanInTheLoopMiddleware enhancements

No immediate action
langchain-perplexity==1.3.0 New feature

use_responses_api flag

No immediate action
langchain==1.3.2 Bug fix

glob_search sort order

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Install & Platforms

Install via
pip

Community & Support

Beta — feedback welcome: [email protected]