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David Heinemeier Hansson

What David Heinemeier Hansson thinks about LLMs

@dhh · 154 positions · 10 changes of mind

Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

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4 dated positions, 2026, in their own words. Our reading of what David Heinemeier Hansson has said — not written or endorsed by them.

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  1. Our readingWork produced by one frontier model should be reviewed by a different one, for the same reason a good programmer's work improves under a good peer's review.

    Their wordsWhy are we surprised? Even if you're a good programmer, if you finish a job and you ask your also very good peer to review it, you're gonna end up with better code. Of course you're gonna end up with better code. So build that into your process.

    ↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 25th of 41 in this recording

    Interesting

  3. Our reading · no longer heldAn open-weight model is already all anyone needs; it is as good as the frontier models.

    Recalls holdingWhen I was instructing the agent, I was like, "Oh my God, Kimi's just as good as these other models."

    SaidBut I've been wrong about this before.

    ↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 29th of 41 in this recording

    Interesting

  5. Our readingThe two standard criticisms of AI — that it is not deterministic and that it is not creative — cannot both be true.

    Their wordsThere's both the charge that it's not deterministic and therefore bad, and also that it is not creative. It's one or the other, bro.

    ↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 34th of 41 in this recording

    Interesting

  7. Our readingLarge language models could still plateau, and that possibility should be held open even though no evidence of it has appeared.

    Their wordsSo we should also have the humility. As amazing as the LLMs are now, it could be that they eventually plateau. We haven't seen any evidence of it yet, and I think this is also why we're seeing this absolute gobsmacking levels of investment, because so far the scaling laws are true, and the more billions are poured in, the more intelligence comes out.

    ↗DHH: Future of Programming, AI, Agentic Engineering, Vibe Coding & Linux | Lex Fridman Podcast #501youtube.com 35th of 41 in this recording

    scaling laws

    Interesting