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Stephen Roller
Thinking Machines
6,627 posts
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Stephen Roller
Thinking Machines
@stephenroller
MTS @thinkymachines. previously pre-training @googledeepmind, @character_ai, and @aiatmeta.
NYC
stephenroller.com
Joined February 2008
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  • user avatar
    Stephen Roller
    Thinking Machines
    @stephenroller
    Apr 24
    Didn't have hash layers on my bingo card
    user avatar
    DeepSeek
    @deepseek_ai
    Apr 24
    🚀 DeepSeek-V4 Preview is officially live & open-sourced! Welcome to the era of cost-effective 1M context length. 🔹 DeepSeek-V4-Pro: 1.6T total / 49B active params. Performance rivaling the world's top closed-source models. 🔹 DeepSeek-V4-Flash: 284B total / 13B active params.
    Image
    3.9K
  • user avatar
    Stephen Roller
    Thinking Machines
    @stephenroller
    Feb 20
    A fully-loaded nvl72 rack weighs 3,300lbs. Meaning the per-gpu weight is ~45lb, or one standard olympic plate.
    1.2K
  • user avatar
    Stephen Roller
    Thinking Machines
    @stephenroller
    Aug 12, 2025
    There’s a line of critique/reviewer feedback in quantization literature that the OPT models are too easy to quantize bc they’re undertrained; but all scales are trained for the same 300B tokens, making the 6.7B and smaller overtrained by Chinchilla estimates.
    1.4K
  • user avatar
    Stephen Roller
    Thinking Machines
    @stephenroller
    Jul 15, 2025
    We are moving incredibly fast. Come light up GPUs with us.
    user avatar
    Mira Murati
    @miramurati
    Jul 15, 2025
    Thinking Machines Lab exists to empower humanity through advancing collaborative general intelligence. We're building multimodal AI that works with how you naturally interact with the world - through conversation, through sight, through the messy way we collaborate. We're
    40K
  • user avatar
    Stephen Roller
    Thinking Machines
    @stephenroller
    May 13, 2025
    I once trained hyperbolic (Poincaré) networks with Riemannian SGD and HogWild. Your optimization stack does not scare me.
    13K

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