Clem Delangue
Co-Founder & CEO, Hugging Face; Sourcing Partner, Factorial Capital at hugging-face
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Background
Clément “Clem” Delangue is co-founder and CEO of Hugging Face, an open-source AI platform he founded in New York City in 2016 with Julien Chaumond and Thomas Wolf 12. Originally a chatbot app for teenagers, the company pivoted after open-sourcing the model behind the chatbot and eventually launched the Hugging Face Transformers library, which became one of the most widely used open-source libraries in machine learning 1.
In August 2023, Hugging Face raised a $235M Series D at a $4.5B post-money valuation, led by Salesforce Ventures with participation from Google, Amazon, Nvidia, Intel, AMD, Qualcomm, IBM, Salesforce, and Sound Ventures 34. At the time of the round, the platform had 10,000 customers, 50,000+ organizations, and 1M+ model repositories 3.
Beyond running Hugging Face, Delangue is a highly active angel investor in AI and open-source infrastructure. He was the first sourcing partner at Factorial Capital, the Brooklyn-based venture firm launched in 2022 by Matt Hartman (formerly of Betaworks, where he first invested in Hugging Face) 56. Under Factorial’s model, technical-founder sourcing partners write individual checks of around $500K per company and receive half the carried interest on deals they bring in 6. In June 2023, Delangue testified before the U.S. House Committee on Science, Space, and Technology, advocating for open science and open-source AI as aligned with American innovation interests 78.
Stated Thesis
(Self-reported. See Inferred Thesis for actual investment behavior analysis.)
Delangue publicly frames his investing around open-source AI infrastructure and the community of builders building on top of Hugging Face. In a Sequoia Capital spotlight, he described Hugging Face’s philosophy as “the open platform that empowers this paradigm shift” and stated that “AI is the new way of building all software. It’s the most important paradigm shift of the decade” 9.
He has stated that open science and open-source AI “distribute economic gains by enabling hundreds of thousands of small companies and startups to build with AI,” and that it “fosters innovation, and fair competition between all” 78.
Factorial Capital, where Delangue is the first sourcing partner, articulates its thesis as backing “founders who code, building technology that wasn’t possible a year ago” 6.
Inferred Thesis
This analysis is based on 5 independently verified angel investments from primary sources (press releases, funding round announcements, and Factorial Capital coverage). Aggregator sites report Delangue has made 40+ personal angel investments and Factorial has 80+ portfolio companies 10; the sample below is verified against primary sources only.
Sector concentration (based on 5 verified investments): - Open-source AI infrastructure: 3 of 5 (60%) — Prime Intellect, Flower.dev, Nomic AI - AI safety / alignment: 1 of 5 (20%) — Alinia AI - Bio foundation models: 1 of 5 (20%) — Helical
Key patterns:
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Open-source AI is the dominant filter. Every verified investment is either an open-source AI infrastructure company (Prime Intellect’s decentralized training stack, Flower’s privacy-preserving federated learning, Nomic’s GPT4All open-source chatbot library) or an AI-adjacent open project (Helical bio foundation models, Alinia alignment) 5111213. This is consistent with Delangue’s public positioning: the community around Hugging Face is his sourcing pipeline.
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Co-invests alongside Hugging Face co-founders. In Alinia AI’s June 2024 pre-seed, Delangue co-invested alongside Hugging Face co-founder Thomas “Thom” Wolf, plus GitHub co-founder Tom Preston-Werner and Google DeepMind VP Oriol Vinyals 13. In Helical’s 2024 seed, he co-invested with Cohere co-founder Aidan Gomez 12.
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Deal source: the Hugging Face ecosystem. Delangue has publicly stated on LinkedIn that he has “done 100 angel investments in the past two years, mostly in the community around Hugging Face” 14. This makes him one of the most active AI angels, but his deal flow is concentrated in projects that ship models, datasets, or infra to Hugging Face’s platform.
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Small angel checks, larger institutional checks via Factorial. As a personal angel he typically writes small checks (~$25K–$250K range implied by pre-seed / seed participation as an “angel”). Through Factorial Capital, deals are ~$500K each, with a target of ~30 investments per fund and a $10M debut fund followed by a $25M Fund II 615.
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Notable investor peers. Delangue frequently appears alongside Founders Fund (Prime Intellect lead), BoxGroup, Frst, Speedinvest, Precursor, and Menlo Ventures 111213.
Sample size is small (5 verified deals). Aggregators claim 40+ personal investments and 80+ via Factorial, but many are not independently verifiable through primary press or company announcements.
Portfolio
| Company | Year | Stage | Source |
|---|---|---|---|
| Prime Intellect | 2025 | Series A ($15M, led by Founders Fund) | 11 |
| Alinia AI | 2024 | Pre-seed (€2.2M, led by Speedinvest & Precursor) | 13 |
| Helical | 2024 | Seed (€2.2M, angels Delangue, Gomez, BoxGroup, Frst) | 12 |
| Flower.dev | 2022 | Seed (via Factorial Capital) | 5 |
| Nomic AI (GPT4All) | 2023 | Seed (via Factorial Capital) | 5 |
| Hugging Face | 2016 | Co-Founder & CEO (not an investment) | 12 |
In Their Own Words
On AI as a paradigm shift:
“AI is the new way of building all software. It’s the most important paradigm shift of the decade.” 3
On Hugging Face’s mission:
“Hugging Face intends to be the open platform that empowers this paradigm shift.” 3
On grounding the AI hype:
“AI is the new paradigm to build all technology. It’s not more; it’s not less. It’s not a new human form. It’s not Skynet or a super sentient being. But it is something massive.” 9
On why Hugging Face open-sourced BERT:
“It just seemed to be something a lot of people would like to use.” 9
On company priorities:
“Our main goal is not so much to build a big company or to make money. I’m most excited about the potential for change and reinventing new rules.” 9
On open source and safety, in his 2023 U.S. Congressional testimony:
“Open science and open source AI distribute economic gains by enabling hundreds of thousands of small companies and startups to build with AI. It fosters innovation, and fair competition between all.” 78
On the concentration of AI research power (Congressional testimony):
“The AI field is currently dominated by a few high-resource organizations who give limited or no open access to novel AI systems.” 8
On the community as safety mechanism:
“This event is a celebration of the power of open source. It’s really important for us to remember in AI that we are where we are because of open science and open source.” 9
What Founders Say
No independently sourced founder testimonials specifically about working with Clem Delangue as an angel investor were found. Delangue is publicly quoted about Hugging Face and open-source AI extensively, but portfolio founders (Prime Intellect, Alinia, Helical, Flower, Nomic) have not published quotes on record about Delangue’s specific investor behavior. Firm marketing testimonials for Factorial Capital do exist but describe Matt Hartman’s role rather than Delangue’s 6.
Sources
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Wikipedia, “Hugging Face,” accessed July 2026. https://en.wikipedia.org/wiki/Hugging_Face↩↩↩
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Contrary Research, “Hugging Face Business Breakdown & Founding Story,” accessed July 2026. https://research.contrary.com/company/hugging-face↩↩
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TechCrunch, “Hugging Face raises $235M from investors, including Salesforce and Nvidia,” August 24, 2023. https://techcrunch.com/2023/08/24/hugging-face-raises-235m-from-investors-including-salesforce-and-nvidia/↩↩↩↩
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Axios, “AI startup Hugging Face now valued at $4.5 billion,” August 24, 2023. https://www.axios.com/2023/08/24/hugging-face-ai-salesforce-billion↩
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Fast Company, “Exclusive: Hugging Face CEO teams up with newly launched venture firm Factorial to invest in AI startups,” accessed July 2026. https://www.fastcompany.com/90881930/hugging-face-ceo-factorial↩↩↩↩
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TechCrunch, “Factorial Capital takes a fresh approach to finding startups with a technical edge,” January 30, 2025. https://techcrunch.com/2025/01/30/factorial-capital-takes-a-fresh-approach-to-finding-startups-with-a-technical-edge/↩↩↩↩↩
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TechPolicy.Press, “Transcript: House Hearing on AI — Advancing Innovation in the National Interest,” June 22, 2023. https://www.techpolicy.press/transcript-house-hearing-on-ai-advancing-innovation-in-the-national-interest/↩↩↩
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VentureBeat, “Hugging Face CEO tells US House open-source AI is ‘extremely aligned’ with American interests,” accessed July 2026. https://venturebeat.com/ai/hugging-face-ceo-tells-us-house-open-source-ai-is-extremely-aligned-with-american-interests↩↩↩↩
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Sequoia Capital, “Hugging Face’s Clem Delangue: Open-Sourcing the Future of AI,” accessed July 2026. https://sequoiacap.com/article/clem-delangue-spotlight/↩↩↩↩↩
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Tracxn, “Clement Delangue — Portfolio & Founded Companies,” accessed July 2026. https://tracxn.com/d/people/clement-delangue/__CZ9EX5p2bTX3G57T1Qg7GkUm6bl4xjFYURlyQbTjdfA↩
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Prime Intellect, “$15M to Build The Open Superintelligence Stack,” February 28, 2025. https://www.primeintellect.ai/blog/fundraise↩↩↩
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The Next Web, “Helical closes $10M seed to turn bio foundation models into systems,” accessed July 2026. https://thenextweb.com/news/helical-10m-seed-bio-foundation-models-pharma-ai↩↩↩↩
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The SaaS News, “Alinia AI Raises €2.2 Million in Pre-Seed Round,” June 2024. https://www.thesaasnews.com/news/alinia-ai-raises-2-2-million-in-pre-seed-round↩↩↩↩
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Clem Delangue LinkedIn post, “Who are the best AI angel investors (not VCs) so far and going forward?”, accessed July 2026. https://www.linkedin.com/posts/clementdelangue_who-are-the-best-ai-angel-investors-not-activity-7276973328542625793-8JZS↩
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Factorial Capital, firm website, accessed July 2026. https://factorial.cc/↩