# Julien Chaumond

> Julien Chaumond is co-founder and CTO of Hugging Face. Carbon-X, Hugging Face Inference Endpoints and SmolLM3-3B on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder and CTO, Hugging Face.

Julien Chaumond co-founded Hugging Face in New York in 2016 with Clément Delangue and Thomas Wolf and is its chief technology officer. The company started with a chatbot app before turning to its platform for machine learning models and datasets.

- LinkedIn: https://www.linkedin.com/in/julienchaumond
- X: https://x.com/julien_c
- GitHub: https://github.com/julien-c

## What Julien builds

- [Carbon-X](https://www.anchorterminal.com/tools/carbon-x.md), graded C, 61/100, in Open-weight models. Carbon-X is Hugging Face's open-weight 14.8B language model for DNA, a fine-tune of Qwen3-14B that reads raw DNA in a chat and answers in English about variant effects and regulatory regions, with a 40,960-token context, under Apache 2.0. Co-founder and CTO, Hugging Face, researched 2026-10-27.
- [Hugging Face Inference Endpoints](https://www.anchorterminal.com/tools/hugging-face-inference-endpoints.md), graded B, 64.7/100, in GPU & serverless compute. Managed Hugging Face service that deploys a Hub model as a dedicated, autoscaling HTTPS endpoint on AWS, Azure or Google Cloud, using vLLM, TGI, SGLang, llama.cpp, TEI or a custom container. Managed by REST API, Python client, CLI or MCP. Co-founder and CTO, Hugging Face, researched 2026-10-27.
- [SmolLM3-3B](https://www.anchorterminal.com/tools/smollm3-3b.md), graded C, 61/100, in Open-weight models. SmolLM3-3B is Hugging Face's open-weight dense 3B instruct model with switchable reasoning, tool calling and a 65,536-token native context, published in BF16 safetensors under Apache 2.0 with its training data and recipes. Co-founder and CTO, Hugging Face, researched 2026-10-27.

## Works with

- [Clément Delangue](https://www.anchorterminal.com/people/clement-delangue/), Co-founder and CEO, Hugging Face
- [Thomas Wolf](https://www.anchorterminal.com/people/thomas-wolf/), Co-founder and CSO, Hugging Face

## Backed by

- [Lux Capital](https://www.anchorterminal.com/investors/lux-capital/)
- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)
- [Coatue](https://www.anchorterminal.com/investors/coatue/)
- [Addition](https://www.anchorterminal.com/investors/addition/)
- [a_capital](https://www.anchorterminal.com/investors/a-capital/)
- [SV Angel](https://www.anchorterminal.com/investors/sv-angel/)
- [Betaworks](https://www.anchorterminal.com/investors/betaworks/)
- [AIX Ventures](https://www.anchorterminal.com/investors/aix-ventures/)
- [Kevin Durant](https://www.anchorterminal.com/investors/kevin-durant/)
- [Rich Kleiman](https://www.anchorterminal.com/investors/rich-kleiman/)
- [Olivier Pomel](https://www.anchorterminal.com/investors/olivier-pomel/)

## Questions

### Who is Julien Chaumond?

Julien Chaumond co-founded Hugging Face in New York in 2016 with Clément Delangue and Thomas Wolf and is its chief technology officer. The company started with a chatbot app before turning to its platform for machine learning models and datasets.

### What does Hugging Face (with Zhongguancun Academy and the Telethon Institute of Genetics and Medicine), Hugging Face, Inc., Hugging Face make?

Anchor Terminal lists Carbon-X, Hugging Face Inference Endpoints and SmolLM3-3B from Hugging Face (with Zhongguancun Academy and the Telethon Institute of Genetics and Medicine), Hugging Face, Inc., Hugging Face. Carbon-X is Hugging Face's open-weight 14.8B language model for DNA, a fine-tune of Qwen3-14B that reads raw DNA in a chat and answers in English about variant effects and regulatory regions, with a 40,960-token context, under Apache 2.0.

### Who has invested in Hugging Face (with Zhongguancun Academy and the Telethon Institute of Genetics and Medicine), Hugging Face, Inc., Hugging Face?

The sources our research read name Lux Capital, Sequoia Capital, Coatue, Addition, a_capital, SV Angel, Betaworks, AIX Ventures, Kevin Durant, Rich Kleiman and Olivier Pomel.

### How are Julien's tools graded?

Carbon-X is graded C, 61 out of 100; Hugging Face Inference Endpoints is graded B, 64.7 out of 100; SmolLM3-3B is graded C, 61 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://huggingface.co/HuggingFaceBio/Carbon-X
- https://huggingface.co/HuggingFaceBio
- https://en.wikipedia.org/wiki/Hugging_Face
- https://huggingface.co/clem
- https://huggingface.co/julien-c
- https://huggingface.co/thomwolf
- https://huggingface.co/
- https://huggingface.co/docs/inference-endpoints/index
- https://huggingface.co/docs/inference-endpoints/support/faq
- https://huggingface.co/HuggingFaceTB/SmolLM3-3B

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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