LangChain is a comprehensive framework for developing applications powered by large language models (LLMs). It provides tools and structures to simplify the creation of intelligent systems that leverage LLM capabilities efficiently and effectively.
The framework streamlines complex workflows by enabling prompt chaining, memory management, tool integration, and connection of LLMs to external data sources. This allows developers to build dynamic, context-aware applications without manually handling every interaction step.
Key Capabilities
Modular and flexible framework for AI workflows
Supports multiple LLMs, APIs, and data sources
Built-in memory and context management
Enables advanced agent capabilities
Strong open-source community and support
Ideal for complex AI systems and multi-step pipelines
Frequent updates can cause breaking changes
Overhead for simple tasks
Requires infrastructure for production deployment
No out-of-the-box UI
Integration with legacy systems can be complex
*Price last updated on Jan 8, 2026. Visit langchain.com's pricing page for the latest pricing.
