
Co-founder & CEO @HuggingFace 🤗, the open and collaborative platform for AI builders
Miami / New York / Paris
Joined September 2010
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We just crossed:
- 20M AI builders on @huggingface
- 300PB of models, datasets, agent traces, and RL environments hosted on the @huggingface hub (9PB added by users just last week)
Also October was our biggest month ever in terms of DAUs, MAUs and revenue.
Let's go open-source AI!
Great to catch up with @DavidCahn6 in Miami today!
Fun facts:
- David sent us a “blind term sheet” to get @coatuemgmt on the @huggingface cap table before we’d even spoken
- He then flew to Miami to convince us to make room in the round
- He kept backing us after moving to @sequoia
Thanks for always believing in us! Lucky to have you in our corner (also @gradypb @sonyatweetybird!) 🤗
Open-source is critical for robotics AI. It means a student, a researcher or a startup can build on years of progress and contribute something the whole community can use rather than concentrating everything in a few companies building a black-box robot.
That’s why we’re building @huggingface into the platform for open-source robotics AI! Amazing to see the progress we've made in the six months and it's accelerating!
- Almost 100,000 public robotics datasets on hf.co/datasets, up 48%
- Over 30,000 public robotics models, up 41%
- Microduck and Reachy mini, our open-source robots became the most popular robot of 2026 (probably ending the year with 50,000+ sold and 20,000+ shipped)
- We’re a founding partner of @RoboColosseum, evaluating robots across 140+ real-world scenes. Every run is published publicly on HF, including failures, so everyone can learn from what actually happens.
And @LeRobotHF got downloaded over 1M times and v0.7.0 just landed with new world action models, interactive robot control and remote GPU inference: huggingface.co/blog/lerobot/…!
Huge thanks to everyone making this happen 🤗🦾
If you were thinking concentrating AI behind closed doors is safe, it is time to update your priors!
EXCLUSIVE: In less than 12 hours, a group of ex-DOGE cyber researchers were able to penetrate Anthropic’s systems using AI agents — including Slack channels where the most sensitive models are discussed.
This is just weeks after
Anthropic whistleblower Joseph Coxon charged the company w/launching “a hubristic gamble” from a “private company’s Slack.”
Read our story here (gift link):
wapo.st/4smNlsC
Microducks are trying too hard to impress @JensenHuang...
With the explosion of Microduck and Reachy Mini, we'll need more people to join the @pollenrobotics @huggingface teams in all functions.
If you're excited about democratizing robotics AI with open-source, my DMs are open!
The only official way to buy Microducks and Reachy Minis is on pollen-robotics.com! Given their popularity, a lot of scam websites popped up in the last few days so please be careful.
Current orders of Reachy Minis will ship before Christmas so that's the best option if you want to have a cool robot under the Christmas tree 🎄🤖
The @JensenHuang keynote effect on pollen-robotics.com/microduc… pre-orders.
Going to cross 20,000+ total pre-orders probably tomorrow making Microduck probably the most sold robot of 2026?
Frontier labs are advancing the capabilities in AI for biology but preventing the good guys (scientists, academia, non-profits, health agencies,...) to use, study and understand it with widespread but shallow guardrails that the bad guys are bypassing easily (blocked me to proofread this tweet for example 😅).
This will automatically create massive assymetry and risks in the coming years, just like in cybersecurity, especially now that frontier labs are building wet labs (HF cybersecurity scenario for biology when?).
This is why we created Carbon-X, the best open-source DNA model by midtraining Qwen3-14B on 300B tokens of DNA, English and interleaved data. We also used a hybrid tokenizer that tokenizes English with BPE and DNA with a 6-mer tokenizer.
As a result, Carbon-X outperforms all open language models we evaluated on five benchmarks of DNA understanding and generation. This is a 27-point improvement over Qwen3-14B, showing how much a language model can gain from DNA training. It is also API frontier level at 1,800x less cost than GPT 6.1 Sol!
We hope Carbon-X helps researchers explore DNA in new ways. Releasing it openly means anyone can study its capabilities, limitations, and risks. Let's make the AI biology frontier open-source to make it safe and impactful for the whole world (not just a few companies).
Apache 2.0 Model on @huggingface: huggingface.co/HuggingFaceBi…
In addition to everything you mentioned @dens, please factor in that you inspired a whole generation of entrepreneurs (including me) by showing them that:
- you can build a cool startup from NYC
- you can build something fun and that you care about
- you can persevere & stick to trying to build what you're excited about no matter what (it's the journey, not the destination!)
Thank you Dennis & team!
Foursquare was acquired last month. The outcome was disappointing. It's taken me a while to write this, but I think I'm finally done grieving it. Here are some thoughts on our final years, an effort to honor the team who helped build & maintain FSQ's legacy, and my attempt to finally get some closure. teendrama.substack.com/p/som…
It feels pretty fitting for @JensenHuang & @nvidia to end their European tour with Microducks on stage.
Microduck was designed and engineered in Europe (more precisely Bordeaux, France) by the @pollenrobotics and @huggingface teams. With American capital and ambition + Chinese manufacturing genius, it became the most popular robot of 2026 with over 15,000 sold all over the world!
I believe Europe has more opportunity to shine in AI than in any previous tech wave. We intend to prove it with @huggingface @nvidia and the whole open-source AI community in the coming years!
Let's go European AI 🇪🇺🇪🇺🇪🇺
Just watched the @netflix Instadocs about the @OpenAI cyberattack on @huggingface. Super disappointing, as they went for maximum anthropomorphism of the technology and full doomer mode.
I spent more than two hours with them trying to correct all their mistakes and ground this in reality, explaining that agents are technological systems, not aliens. But it looks like the drive to scare people for maximum views was too strong.
Also, they didn’t mention the lack of containment and monitoring of the agents, how closed-model safeguards blocked our defensive work, or how we defended ourselves with AI using an open model. And that we still lack a lot of information and transparency, including full agent traces and that companies need to remain accountable for what their agents do.
It ends up being a fun sci-fi movie though!
Beautiful work from @perplexity_ai @AravSrinivas with weights on @huggingface of course!
huggingface.co/perplexity-ai…
huggingface.co/perplexity-ai…
We're sending a bunch of Microducks to assess @AnthropicAI!
Kidding aside, it hasn't been approved yet but in my opinion, it's very important that open-source engineers and scientists are included in these important endeavors for transparency. That's a big part of why @Thom_Wolf is starting the open alignment initiative. We're all in this together!
llama serve -hf ggml-org/Muse-Spark-Open-816B-A42B-GGUF:Q2_K (on two mac studios).
Well done @finkd & @johnternus!
Meta is back! huggingface.co/meta-models/M…
Muse Spark Open -- weights releasing today -- runs great on new Mac Studios thanks to work with @johnternus and Apple.














