LangChain - LangChain Blog

Catch production failures early with LangSmith Alerts

Set up real‑time notifications on error rates, run latency & feedback scores to spot failures before your customers do.

2 min read

How Trellix cut log parsing time from days to minutes with LangGraph Studio and LangSmith

See how cybersecurity company Trellix used LangGraph Studio to visualize and debug agent interactions, plus LangSmith for agent evaluations

Case Studies 4 min read

TAMM AI Assistant: Transforming Government Services in Abu Dhabi with LangChain and LangGraph"

See how the Abu Dhabi Government powers their government services platform with LangGraph and LangChain to achieve efficiency and precision.

Case Studies 4 min read

How Harmonic built an investment agent with LangGraph and LangSmith— so VCs can focus on founders

See how Harmonic uses LangSmith and LangGraph products to streamline venture investing workflows.

Case Studies 5 min read

Why Definely chose LangGraph for building their multi-agent AI system

See how Definely used LangGraph to design a multi-agent system to help lawyers speed up their workflows.

Case Studies 3 min read

Introducing End-to-End OpenTelemetry Support in LangSmith

LangSmith now provides end-to-end OpenTelemetry (OTel) support for applications built on LangChain and/or LangGraph.

By LangChain 3 min read

How Lovable uses LangSmith to debug & monitor agents in production

Discover how Lovable leveraged LangSmith to gain visibility into its agent’s interactions, rapidly scaling its AI software engineer agent to $25M ARR in just 4 months.

Case Studies 2 min read

Vodafone transforms data operations with AI using LangChain and LangGraph

See how Vodafone, a leading telecom company serving 340M+ customers, used LangChain and LangGraph for its performance metrics monitoring and information retrieval chatbots.

Case Studies 5 min read