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Julien Chaumond
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Julien Chaumond
@julien_c
Co-founder and CTO at @huggingface 🤗. ML/AI for everyone, building products to propel communities fwd. @Stanford + @Polytechnique
Paris / New York
huggingface.co
Joined September 2008
1,211
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  • Pinned
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    Julien Chaumond
    @julien_c
    Aug 20, 2021
    Modern ML engineering is 90% knowledge of git
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    Julien Chaumond
    @julien_c
    Apr 25, 2023
    Some people said that closed APIs were winning... but we will never give up the fight for open source AI ⚔️⚔️ Today is a big day as we launch the first open source alternative to ChatGPT: HuggingChat 💬 Powered by Open Assistant's latest model – the best open source chat
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    923K
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    Julien Chaumond
    @julien_c
    May 27, 2024
    The good news is, with the $6 billion he just raised, Elon Musk could buy Twitter at current valuation.
    309K
  • user avatar
    Julien Chaumond
    @julien_c
    Aug 5, 2025
    Please don’t download the weights all at once 🙏 or our servers will melt
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    222K
  • user avatar
    Julien Chaumond
    @julien_c
    Jan 30, 2025
    EU open source AI is BACK go go go @MistralAI
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    137K
  • user avatar
    Julien Chaumond
    @julien_c
    Oct 13, 2025
    someone finally subscribed to PRO 🙃
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    415K
  • user avatar
    Julien Chaumond
    @julien_c
    Nov 21, 2023
    JUST IN: The board of OpenAI will quit if the OpenAI board can't provide evidence of why they fired Sam Altman.
    281K
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    Julien Chaumond
    @julien_c
    Nov 14, 2024
    If only we already had a few cool AI companies in Paris
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    Emmanuel Macron
    @EmmanuelMacron
    Nov 14, 2024
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    230K
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    Julien Chaumond
    @julien_c
    Feb 22, 2023
    Let’s make AI OPEN 🤯 Yesterday we've announced we @huggingface are partnering with @awscloud Now, here's my raw CTO take:
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    318K
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    Julien Chaumond
    @julien_c
    Apr 26, 2024
    meanwhile I’m still on free @GoogleColab
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    Greg Brockman
    OpenAI
    @gdb
    Apr 24, 2024
    First @nvidia DGX H200 in the world, hand-delivered to OpenAI and dedicated by Jensen "to advance AI, computing, and humanity":
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    262K
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    Julien Chaumond
    @julien_c
    Jul 30, 2025
    Have fun: curl -s https://www.meta[.]com/superintelligence/ | pandoc -f html -t markdown | grep -i "open"
    380K
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    Julien Chaumond
    @julien_c
    May 13, 2024
    Ok so it's official closed source AI has plateaued
    335K
  • user avatar
    Julien Chaumond
    @julien_c
    Jul 1, 2022
    BTW.... dalle-mega from @borisdayma is now openly accessible on @huggingface ⚡️ To download it (10GB): git clone huggingface.co/dalle-mini/dal…
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    Julien Chaumond
    @julien_c
    Mar 14, 2024
    Aspirations of the GPU middle class
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    155K

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