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Alexandr Wang: Why Data Quality Decides the AI Frontier

Through hard evals against real customer tasks rather than benchmarks; Scale AI proves labeled data quality determines the frontier model performance ceiling.

Garry TanhostAlexandr WangguestJared FriedmanhostHarj Taggarhost
Jun 18, 20251h 1mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 1:15

    Intro

  2. 1:15 – 7:25

    Alexandr’s early days at YC

  3. 7:25 – 10:24

    Dialing in on what worked

  4. 10:24 – 19:18

    Model improvements, evals

  5. 19:18 – 27:47

    The techno optimist view of work

  6. 27:47 – 37:37

    The turning points for Scale AI

  7. 37:37 – 41:55

    Agentic workflows

  8. 41:55 – 47:48

    “Humanity’s Last Exam”

  9. 47:48 – 56:57

    U.S. vs China in AI and hard tech

  10. 56:57 – 1:01:12

    How to be hardcore

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