Technology

LangChain

The open-source framework for building and deploying reliable, data-aware Large Language Model (LLM) applications.

LangChain is the essential framework for engineering LLM-powered applications: it simplifies connecting models (like GPT-4 or Claude) to external data, computation, and APIs. The platform provides a modular set of components—Chains, Agents, Tools, and Memory—allowing developers to quickly build complex workflows like Retrieval-Augmented Generation (RAG) pipelines and sophisticated conversational agents. Its Python and JavaScript libraries, combined with LangChain Expression Language (LCEL), offer a standardized interface for rapid prototyping and moving applications to production with confidence.

https://www.langchain.com/

What builders pair with LangChain

Projects using both technologies. Select a pairing to see a project.

12 more pairings

Pairing: GPT-4

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Failing Fast with AI: Rapid Prototyping Using Google AI Studio

Pereira · February 26, 2026

Recent Talks & Demos

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Wittgenlab, creando un framework para evaluar llms
Bogotá
LangChain Python
Microsoft Agent Framework: Blog Writer
Boston Sep 3
Microsoft Agent Framework Python
Oddjob: Build AI Playgrounds
Orange County Jul 21
React TypeScript
Being a dungeon master for agents
Columbus Jul 6
Svelte Node
GitFlix
Dubai May 23
Python FastAPI
Turning Claude into a Transactional Lawyer: Building a Legal Contract…
Raleigh May 6
MCP Claude Desktop
ICM - Interpreted Context Methodology
Columbus May 4
Next TypeScript
911automate
Montreal Apr 22
Streamlit FastAPI
ibaAgent: Agentic time-series analysis.
Nürnberg Apr 22
LangGraph OpenAI GPT
FuzzyClaw
Cologne Apr 16
GPT-5 Gemini-2
Stop the Confident BS: Reflective Retrieval Agents and Human-in-the-L…
Cologne Apr 16
LangChain LangGraph
The Zero-Partners VC - AI Native VC running on AI Agents
Zürich Apr 9
Claude LangChain
The Layer Between You and the Model
Nashville Mar 25
Python Gradio
GitOps for Rules: Tests, Signatures, and Policy Diffs for Changing Re…
Bremen Mar 25
JavaScript js-yaml
TDLW
Montreal Mar 24
LangChain Serp API
The new version control for agentic engineering
Chicago Mar 17
LangChain Claude Code
AI en la agricultura
Pereira Feb 26
LangChain LangGraph
Google AI Studio: Rapid Prototyping
Pereira Feb 26
Google AI Studio Gemini models
Finance Agent Evals - How to implement evals to a financial agents us…
Bogotá Feb 26
Python LangChain
MojiDoodle: Handwriting Japanese SR
Tokyo Feb 19
LangChain OpenAI API
AI Job Agent: Vertex AI + Actions
Atlanta Jan 27
text-bison Vertex AI
Vibe Presenting: Agentic Slides
Poland Jan 27
LangChain LangGraph
SuperLango: Personalized Vocabulary Engine
Poland Jan 27
LangChain React Native
LangChain Agents with Middleware
Manizales Jan 21
LangChain LangGraph