LangChain Blog

Bringing Free OSS Models to the Playground with Fireworks AI

A year ago, the only real LLM people were using was OpenAI's GPT-3. Fast forward to now, and there are a multitude of models to

3 min read

Featured

Building Chat LangChain

7 min read

Announcing LangChain Hub

By LangChain 6 min read

Using LangSmith to Support Fine-tuning

By LangChain 9 min read

Announcing LangSmith, a unified platform for debugging, testing, evaluating, and monitoring your LLM applications

8 min read

How "Correct" are LLM Evaluators?

Summary: * We tested LangChain's LLM-assisted evaluators on common tasks to provide guidelines on how to best use them in your practice. * GPT-4 excels in accuracy

7 min read

Building Chat LangChain

Hosted: https://chat.langchain.com Repo: https://github.com/langchain-ai/chat-langchain Intro LangChain packs the power of large language models and an entire ecosystem of

7 min read

Fine-tune your LLMs with LangSmith and Lilac

In taking your LLM from prototype into production, many have turned to fine-tuning models to get more consistent and high-quality behavior in their applications. Services

By LangChain 6 min read

Timescale Vector x LangChain: Making PostgreSQL A Better Vector Database for AI Applications

Editor's Note: This post was written in collaboration with the Timescale Vector team. Their integration with LangChain supports PostgreSQL as your vector database for faster

15 min read

[Week of 9/18] LangChain Release Notes

New in LangSmith * Org Support in LangChain Hub: share and collaborate on prompts across your team. Easily pull in organizationally-approved prompts into your LangChain code.

By LangChain 4 min read

LangChain and Scrimba Partner to help Web Devs become AI Engineers

We’re excited to announce that we are partnering with Scrimba, a code-learning platform with over a million users. Through their interactive video format known

3 min read

Eden AI x LangChain: Harnessing LLMs, Embeddings, and AI

Editor's Note: This post was written in collaboration with the Eden AI team. We're really excited about Eden's approach to simplifying AI implementation so that

9 min read

Peering Into the Soul of AI Decision-Making with LangSmith

Editor's Note: This post was written by Paul Thomson from Commandbar. They've been awesome partners as they brought their application into production with LangSmith, and

10 min read

LangChain + Docugami Webinar: Lessons from Deploying LLMs with LangSmith

Editor's Note: This post was written in collaboration with the Docugami team. We recently did a webinar with them and Rechat to talk about what

3 min read

TED AI Hackathon Kickoff (and projects we’d love to see)

The TED AI Hackathon kicks off October 14 and we’re excited to be their partner in bringing it to life! TED has a long

2 min read

How to Safely Query Enterprise Data with LangChain Agents + SQL + OpenAI + Gretel

Editor's Note: This post was written in collaboration with the Gretel team. We're really excited by their approach to combining agent-based methods, LLMs, and synthetic

6 min read

OpaquePrompts x LangChain: Enhance the privacy of your LangChain application with just one code change

Editor's Note: This blog post was written in collaboration with the Opaque team. As more apps get into production, we've been hearing more teams talk

4 min read