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LangChain

About LangChain

LangChain — это фреймворк для разработки приложений, работающих на языковых моделях. Создавайте контекстно-зависимые, рассуждающие приложения с цепочками, агентами и памятью для сложных рабочих процессов ИИ.

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#Фреймворк разработки#LLM#AI агент#Рабочий процесс
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LangChain Core Features

Modular Chains — Compose multiple components like prompts, models, and output parsers into a single chain, enabling complex workflows with minimal code.

Agents and Tools — Create autonomous agents that can decide which tools to use based on user input, integrating with external APIs and data sources.

Memory Management — Persist and manage conversation history across interactions, allowing for context-aware responses in chat applications.

Model Agnostic — Support for various LLMs (OpenAI, Anthropic, Hugging Face, etc.) with a unified interface, making it easy to switch providers.

Document Loaders and Indexes — Load, transform, and index documents from multiple sources (PDFs, websites, databases) for retrieval-augmented generation (RAG).

LangChain Expression Language (LCEL) — A declarative syntax for building chains with streaming, async, and parallel execution support, improving performance and readability.

Extensive Integrations — Integrate with vector stores (Pinecone, Weaviate), monitoring tools (LangSmith), and deployment platforms (LangServe) for production-ready apps.

LangChain Subscription Plan

Open Source (Free)

$0

  • Full access to LangChain framework
  • Community support
  • Self-hosted deployment

LangSmith (Developer)

Free tier available; paid tiers start at $39/month

  • Observability and tracing
  • Evaluation and testing
  • Monitoring and debugging
  • Collaboration features

LangSmith (Enterprise)

Custom pricing

  • Advanced security and compliance
  • SSO and RBAC
  • Dedicated support
  • Custom deployment options

FAQ from LangChain

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