Fun with Large Models

Feb 25, 2026 · Artificial Intelligence

Fast Guide to LangChain DeepAgents: Using Summarization Middleware to Optimize Agent Memory

This article explains how LangChain DeepAgents' Summarization middleware automatically compresses conversation history to overcome large‑model context window limits, detailing its core mechanism, applicable scenarios, configuration parameters (trigger, keep, model, summary_prompt), and step‑by‑step Python examples that illustrate its integration and internal message flow.