LangChain

LangChain and LangGraph Agent Frameworks Reach v1.0 Milestones

By Sydney Runkle and the LangChain OSS team We're releasing LangChain 1.0 and LangGraph 1.0 — our first major versions of our

7 min read

LangChain raises $125M to build the platform for agent engineering

We raised $125M at a $1.25B valuation to build the platform for agent engineering.

3 min read

Securing your agents with authentication and authorization

Agents can take action which makes proper authentication and authorization critical. Read on for how to implement and evolve agent auth.

6 min read

How to turn Claude Code into a domain specific coding agent

Authored by: Aliyan Ishfaq Coding agents are great at writing code that uses popular libraries on which LLMs have been heavily trained on. But point

10 min read

Monte Carlo: Building Data + AI Observability Agents with LangGraph and LangSmith

See how Monte Carlo built its AI Troubleshooting Agent on LangGraph and debugged with LangSmith to help data teams resolve issues faster

Case Studies 4 min read

Building LangGraph: Designing an Agent Runtime from first principles

In this blog piece, you’ll learn why and how we built LangGraph for production agents—focusing on control, durability, and the core features needed to scale.

15 min read

LangChain & LangGraph 1.0 alpha releases

Today we are announcing alpha releases of v1.0 for langgraph and langchain, in both Python and JS. LangGraph is a low-level agent orchestration framework,

3 min read

How Bertelsmann Built a Multi-Agent System to Empower Creatives

See how one of the world’s biggest media companies leveraged LangGraph from its earliest days to build and deploy a multi-agent system to production that empowers creativity.

Case Studies 6 min read

Why agent infrastructure matters

Learn why agent infrastructure is essential to handling stateful, long-running tasks — and how LangGraph Platform provides the runtime support needed to build and scale reliable agents.

4 min read

LangSmith and LangGraph Platform are now available in AWS Marketplace

LangSmith and LangGraph Platform (self-hosted deployments) are now available in AWS Marketplace.

3 min read

Open Deep Research

TL;DR Deep research has broken out as one of the most popular agent applications. OpenAI, Anthropic, Perplexity, and Google all have deep research products

8 min read

How to Build an Agent

Learn how to build an agent -- from choosing realistic task examples, to building the MVP to testing quality and safety, to deploying in production.

6 min read