LangChain Blog

Context Engineering

TL;DR Agents need context to perform tasks. Context engineering is the art and science of filling the context window with just the right information

11 min read

Featured

LangGraph Platform is now Generally Available: Deploy & manage long-running, stateful Agents

4 min read

How Klarna's AI assistant redefined customer support at scale for 85 million active users

Case Studies 2 min read

Is LangGraph Used In Production?

3 min read

Introducing Interrupt: The AI Agent Conference by LangChain

Harrison Chase 2 min read

How Exa built a Web Research Multi-Agent System with LangGraph and LangSmith

See how Exa used LangGraph and LangSmith to build a multi-agent web research system to process research queries

Case Studies 4 min read

How Captide agents running on LangGraph Platform compress investment research from days to seconds

See how Captide is using LangGraph Platform and LangSmith for their investment research and equity modeling agents.

Case Studies 4 min read

The rise of "context engineering"

Header image from Dex Horthy on Twitter. Context engineering is building dynamic systems to provide the right information and tools in the right format such

5 min read

How and when to build multi-agent systems

Late last week two great blog posts were released with seemingly opposite titles. “Don’t Build Multi-Agents” by the Cognition team, and “How we built

In the Loop 6 min read

The Hidden Metric That Determines AI Product Success

Co-authored by Assaf Elovic and Harrison Chase. You can also find a version of this post published on Assaf's Medium. Why do some

In the Loop 8 min read

Benchmarking Multi-Agent Architectures

By Will Fu-Hinthorn In this blog, we explore a few common multi-agent architectures. We discuss both the motivations and constraints of different architectures. We benchmark

7 min read

LangGraph Release Week Recap

See what we released for LangGraph.js and Python over the past few weeks to speed up development workflows and gain more control at every level of your graph.

2 min read

Why do I need LangGraph Platform for agent deployment?

This blog dives into technical details for why agent deployment is difficult, and how we built a platform to solve those challenges (LangGraph Platform).

4 min read

How Webtoon Entertainment built agentic workflows with LangGraph to scale story understanding

See how Webtoon is transforming storytelling with agent workflows built on LangGraph for content discovery to help marketing, transation, and recommendation teams.

Case Studies 4 min read