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Melty

Y Combinator LogoS24
Active
developer-tools
generative-ai
ai
San Francisco
 
https://melty.sh

Chat with a bunch of AIs at once

We're building Chorus, a Mac app that lets you chat with O1, Claude, Perplexity, Deepseek, and others on your desktop. Find the right model for each task, get more creativity without copy–pasting prompts, and get more reliability without manually comparing model outputs.
Melty
Founded:2024
Team Size:2
Location:San Francisco
Group Partner:Aaron Epstein
   

Active Founders

Charlie Holtz, Founder

Co-founder & CEO at Melty. Previously led growth at Replicate, where I built apps with millions of users. Before that I was a quantitative dev at a team at Point72. I studied cognitive neuroscience at Brown, where I also played Ultimate Frisbee (and met my co-founder, Jackson).
Charlie Holtz
Charlie Holtz
Melty
  

Jackson de Campos, Founder

I came from the ML infrastructure team at Netflix, where I scaled inference for video understanding models across Netflix’s catalog. Now working on Melty, an AI chat app.
Jackson de Campos
Jackson de Campos
Melty
 

Company Launches

Melty: Open source AI code editor for 10x engineers

Hi everyone! We’re Charlie and Jackson. We’re longtime friends who met playing ultimate frisbee at Brown.

Charlie comes from Replicate, where he started the Hacker in Residence team and accidentally struck fear into the heart of Hollywood. Jackson comes from Netflix, where he built machine learning infrastructure that picks the artwork you see for your favorite shows.

We’ve used most of the AI coding tools out there, and often ended up copy-pasting code, juggling ten chats for the same task, or committing buggy code that comes back to bite us later. AI has already transformed how we code, but we know it can do a lot more.

So we’re building Melty, the first editor that’s aware of what you’re doing from the terminal to GitHub and collaborates with you to write production-ready code.

We’ve been working on Melty for 28 days, and it’s already writing about half of its own code. It can…

(all demos real-time)

Refactor code across files

https://www.loom.com/share/f0e7ae2644e6492ab9e9352fbd14ae8d?sid=b5d497cd-65f4-47ca-955a-73332d8edc4d

Create web apps from scratch

https://www.loom.com/share/4f4f85c3de8b420e85b65537b775e3c8?sid=01b43f48-0fec-400a-8bee-71132f6d4610

Navigate large codebases

https://www.loom.com/share/fc4eb54385a5426586160fad5dbfc1be?sid=73a79e2e-1505-47a1-838b-a375cf7523e4

Write its own commits

We’re designing Melty to

  • Help you understand your code better, not worse
  • Watch every change you make, like a pair programmer
  • Learn and adapt to your codebase
  • Integrate with your compiler, terminal, and debugger, as well as tools like Linear and GitHub

Our asks:

  1. Try Melty (melty.sh) and tell us what you think. It’s a fork of VS Code, so it’s compatible with all your settings and extensions.
  2. Tell us: what AI coding tools do you use, what do you like about them, and what’s frustrating? DM Charlie or send us an email at founders@melty.sh.