Skip to content
LangChain Blog
  • Case Studies
  • In the Loop
  • Web Home
  • Try LangSmith
  • Docs
Sign in Subscribe
How Dosu Used LangSmith to Achieve a 30% Accuracy Improvement with No Prompt Engineering

How Dosu Used LangSmith to Achieve a 30% Accuracy Improvement with No Prompt Engineering

Editor's Note: the following is authored by Devin Stein, CEO of Dosu. In this blog we walk through how Dosu uses LangSmith to

6 min read
Regression Testing with LangSmith

Regression Testing with LangSmith

This blog post walks through our improved regression testing experience in LangSmith. If video form is more your style, you can check out our YouTube

4 min read
Graph-based metadata filtering for improving vector search in RAG applications

Graph-based metadata filtering for improving vector search in RAG applications

Optimizing vector retrieval with advanced graph-based metadata techniques using LangChain and Neo4j Editor's Note: the following is a guest blog post from Tomaz

Partner Post 11 min read
Announcing LangSmith is now a transactable offering in the Azure Marketplace

Announcing LangSmith is now a transactable offering in the Azure Marketplace

Today, we’re thrilled to announce that enterprises can purchase LangSmith in the Azure Marketplace as an Azure Kubernetes Application. LangSmith is a unified DevOps

By LangChain 4 min read
Empowering Development with FlowTestAI: Bridging APIs and LLMs for Enhanced Testing and Privacy

Empowering Development with FlowTestAI: Bridging APIs and LLMs for Enhanced Testing and Privacy

Editor's note: we're excited to highlight this blog from FlowTestAI. FlowTestAI is an exciting startup building on top of LangChain. Specifically,

7 min read
Tool Calling with LangChain

Tool Calling with LangChain

TLDR: We are introducing a new tool_calls attribute on AIMessage. More and more LLM providers are exposing API’s for reliable tool calling. The

6 min read
Rethinking Our Documentation

Rethinking Our Documentation

LangChain has seen some incredible growth in the last year and half. The Python open-source library is now downloaded over 7 million times per month,

4 min read
LangSmith: Production Monitoring & Automations

LangSmith: Production Monitoring & Automations

Key Links: * YouTube Walkthrough * Sign up for LangSmith here If 2023 was a breakthrough year for LLMs, then 2024 is shaping up to be the

6 min read
LangFriend: a Journal with Long-Term Memory

LangFriend: a Journal with Long-Term Memory

One of the concepts we are most interested in at LangChain is memory. Whenever we are interested in a concept, we like to build an

6 min read
Open Source Extraction Service

Open Source Extraction Service

Earlier this month we announced our most recent OSS use-case accelerant: a service for extracting structured data from unstructured sources, such as text and PDF

7 min read
Using Feedback to Improve Your Application: Self Learning GPTs

Using Feedback to Improve Your Application: Self Learning GPTs

We built and hosted a simple demo app to show how applications can learn and improve from feedback over time. The app is called "

4 min read
LangChain Integrates NVIDIA NIM for GPU-optimized LLM Inference in RAG

LangChain Integrates NVIDIA NIM for GPU-optimized LLM Inference in RAG

Roughly a year and a half ago, OpenAI launched ChatGPT and the generative AI era really kicked off. Since then we’ve seen rapid growth

By LangChain 4 min read

Page 14 of 29

Load More Something went wrong with loading more posts
  • Sign up

© LangChain Blog 2026