LangChain Blog

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LangGraph 0.3 Release: Prebuilt Agents
LangChain Blog
By Nuno Campos and Vadym Barda Over the past year, we’ve invested heavily in making LangGraph the go-to framework for building AI agents. With companies like Replit, Klarna, LinkedIn and Uber choosing to build on top of LangGraph, we have more conviction than ever that we are on
4日前
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How MUFG Bank increased sales efficiency by 10x with LangChain
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LangChain Blog
See how MUFG Bank used LangChain to streamline corporate sales research, cutting data analysis time from hours to minutes and boosting efficiency 10x.
4日前
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Quickly Start Evaluating LLMs With OpenEvals
LangChain Blog
Evaluations (evals) are important for bringing reliable LLM powered applications or agents to production, but it can be hard to know where to start when building evaluations from scratch. Our new packages—openevals and agentevals—provide a set of evaluators and a common framework that you can easily
5日前
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Beyond RAG: Implementing Agent Search with LangGraph for Smarter Knowledge Retrieval
LangChain Blog
Editor's note: this is a guest post from our friends at Onyx. As LangGraph has matured, we've seen more and more companies (Klarna, Replit, AppFolio, etc) start to use it as their agent framework of choice. We thought this was a great blog describing in detail
8日前
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LangMem SDK for agent long-term memory
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LangChain Blog
Today we're releasing the LangMem SDK, a library that helps your agents learn and improve through long-term memory. It provides tooling to extract information from conversations, optimize agent behavior through prompt updates, and maintain long-term memory about behaviors, facts, and events. You can use its core API with
13日前
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How Klarna's AI assistant redefined customer support at scale for 85 million active users
LangChain Blog
Klarna's AI assistant is revolutionizing the personal shopping experience, including customer service and productivity. See how they used LangGraph and LangSmith to achieve 80% faster customer resolution times.
19日前
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Benchmarking Single Agent Performance
LangChain Blog
We explore how increasing the number of instructions and tools available to a single ReAct agent affects its performance, benchmarking models like claude-3.5-sonnet, gpt-4o, o1, and o3-mini across two domains of tasks.
21日前
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How Vizient empowers healthcare providers with reliable GenAI insights using LangGraph and LangSmith
LangChain Blog
Vizient's GenAI platform helps users manage data to query for information ranging from patient outcomes to clinical benchmarking. See how they used LangGraph and LangSmith for multi-agent system reliability and prompt management.
21日前
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How Infor is Transforming Enterprise AI using LangGraph and LangSmith
LangChain Blog
See how Infor is using the full LangChain product suite — including LangChain, LangGraph, and LangSmith — to drive enterprise automation for the cloud.
25日前
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Is LangGraph Used In Production?
LangChain Blog
LinkedIn, Uber, Replit, and Elastic are just a few of the companies using LangGraph for real use cases in production. Learn how they did it below!
1ヶ月前
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Introducing Interrupt: The AI Agent Conference by LangChain
LangChain Blog
Join us this May at Interrupt, LangChain’s inaugural conference where the future of AI agents takes center stage.
1ヶ月前
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Introducing the LangGraph Functional API
LangChain Blog
Have you ever wanted to take advantage of LangGraph's core features like human-in-the-loop, persistence/memory, and streaming without having to explicitly define a graph? We're excited to announce the release of the Functional API for LangGraph, available in Python and JavaScript. The functional API allows you
1ヶ月前
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Exploring Prompt Optimization
LangChain Blog
By Krish Maniar and William Fu-Hinthorn If you are interested in beta-testing more prompt optimization techniques, fill out interest form here. When we write prompts, we attempt to communicate our intent for LLMs to apply on messy data, but it's hard to effectively communicate every nuance in one
1ヶ月前
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Introducing Pytest and Vitest integrations for LangSmith Evaluations
LangChain Blog
Introducing a new way to run evals using LangSmith’s Pytest and Vitest/Jest integrations.
1ヶ月前
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How Captide is redefining equity research with agentic workflows running on LangGraph Platform
LangChain Blog
Captide’s platform transforms how investment research teams work with financial data. By automating the extraction of insights and metrics from regulatory filings and investor relations documents, analysts can create customized datasets and analyses with extreme efficiency. At the heart of this innovation is their commitment to NLP workflows
1ヶ月前