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LangChain Blog

Explore AI’s future through LangChain's lens, with expert articles and guided tutorials for enthusiasts and experts alike.

October 3, 2024  16:02:44
See how OpenRecovery built an AI assistant with LangGraph Cloud, LangGraph, and LangSmith to support users on their journey to addiction recovery.
September 26, 2024  18:22:15
See how Replit built their agents atop LangGraph and integrated LangSmith to pinpoint issues, improve the performance of their agents, and enable human-in-the-loop workflows.
September 25, 2024  17:14:19

We're excited to announce the launch of the Assistant Editor, a powerful new feature in LangGraph Studio that makes it easier than ever to configure and customize your LLM-powered agents. This visual editing tool empowers both developers and non-technical users to fine-tune agent behavior without diving into code.

September 25, 2024  14:00:52
See how Tradestack built and launched their MVP with LangGraph Cloud, adding reliability and improved performance to their agentic workflows.
September 19, 2024  15:27:28

Today we are excited to announce LangGraph templates, available in both Python and JS. These template repositories address common use cases and are designed for easy configuration and deployment to LangGraph Cloud. The best way to use these is to download the newest version of LangGraph Studio, but you can

September 16, 2024  16:40:01

Today, we’re excited to announce the release of LangChain v0.3 for both Python and JavaScript ecosystems.

What's changed

Python

  • All packages have been upgraded from Pydantic 1 to Pydantic 2 internally. Use of Pydantic 2 in user code is fully supported with all packages without
September 12, 2024  16:17:24

Editor's Note: This is a guest blog post by Dhruv Ateja. It covers building a full stack application that uses an agent to both query data as well as choose how to display that data. It leverages LangGraph and LangGraph Cloud.

Key Links:

September 11, 2024  15:44:40

TL;DR: assistant-ui is an embeddable AI chat frontend for React applications. It supports streaming, generative UI, human-in-the-loop, and other UX paradigms crucial for agentic applications. We’ve worked with Simon (the maintainer) to add a tight integration with LangGraph Cloud. This allows you to easily deploy LangGraph agents

September 4, 2024  15:34:34
See how Paradigm used LangSmith and LangChain to build, iterate, and monitor their AI agents.
September 3, 2024  14:52:36
For JavaScript developers - LangGraph v0.2, LangGraph Cloud, and LangGraph Studio are all available.
August 15, 2024  14:00:04
See how Podium tests across the lifecycle development of their AI employee agent, using LangSmith for dataset curation and finetuning. They improved agent F1 response quality to 98% and reduced the need for engineering intervention by 90%.
August 14, 2024  15:36:14
See the latest updates to the LangChain integration docs, including a new standardized format and improved API references that can help you find relevant information faster.
August 10, 2024  14:00:36
Learn about spreadsheet UX for batch agent workloads, Generative UI, and collaborative UX with agents.
August 7, 2024  16:16:24
LangGraph v0.2 includes new checkpointer libraries for increased customization — including a SQLite checkpointer for local workflows and an optimized Postgres checkpointer to take your app to production. Plus, learn about LangGraph Cloud in open beta.
August 6, 2024  16:00:10
With dynamic few-shot examples in LangSmith, you can Index examples in your datasets in one click and dynamically select the most relevant few-shot examples based on user input. This lets you rapidly iterate and improve LLM app performance.