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Jack Clark

Personal blog · importai.substack.comaiscience

Jack Clark writes Import AI, a personal blog at importai.substack.com about ai and science. Since 2023, 15 different Hacker News readers have linked it 17 times, most often “Technological Optimism and Appropriate Fear”. It is still writing: the last post was on 2026-11-02, and you can follow it by feed.

Visit the blog
17mentions?
15HN people?
2023–2026first – last linked?
Links on Hacker News per year · peak 7 in 2026

Too few sampled comments (4) to say how often HN recommends it.?

Why HN links it

HN readers link Jack Clark's Import AI newsletter for AI developments and policy essays, such as one on GPT-2's non-release five years on and one on training on synthetic content. No commenter judges the writing.

Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Import AI is a weekly newsletter about artificial intelligence based on detailed analysis of cutting-edge research.

Most-linked posts?

  1. Technological Optimism and Appropriate Fear
    4 people · 4 mentions · first linked 2025-10-13
  2. AI systems are about to start building themselves
    3 people · 3 mentions · first linked 2026-05-04
  3. GPT-2 five years later
    2 people · 3 mentions · first linked 2024-06-03
  4. /
    2 people · 2 mentions · first linked 2023-11-12

What Hacker News says?

  1. This new essay by Jack Clark, who was at OpenAI when they made the decision not to release GPT-2 for safety reasons five years ago, feels relevant: https://importai.substack.com/p/import-ai-375-gpt-2-five-yea... > [...] history shows that once we assign power to governments, they're loathe to subsequently give that power back to the people. Policy is a ratchet and things tend to accrete over time. That means whateve…

    Comment linking /p/import-ai-375-gpt-2-five-years-later

    on “Why YC went to DC”
  2. Submitted Technological Optimism and Appropriate Fear as a story · 8 points

    HN discussion
  3. That's true to some extent, but training on synthetic content is big these days: https://importai.substack.com/p/import-ai-369-conscious-mach...

    Comment linking /p/import-ai-369-conscious-machines

    on “Tell HN: We should snapshot a mostly AI output free version of the web”
  4. Submitted AI systems are about to start building themselves as a story · 4 points

    HN discussion
  5. High level AI developments: https://importai.substack.com/ https://www.semianalysis.com/ Hardware focused. Paywalled, but long article teasers contain plenty of information. Research Focused: https://codingwithintelligence.com/ https://dblalock.substack.com/ https://twitter.com/arankomatsuzaki

    Comment linking /

    on “Ask HN: Which sources cover AI developments without falling for the hype?”
  6. Submitted I tell the IMF the Singularity has begun as a story · 3 points

    HN discussion
  7. Thanks for this! Link to direct newsletter subscription: https://importai.substack.com/

    Comment linking /

    on “DeepSeek v4”
  8. Submitted Technological Optimism and Appropriate Fear as a story · 3 points

    HN discussion
  9. Submitted Anthropic co-founder Jack Clark: 60%+ chance of automated AI R&D by 2029 as a story · 2 points

    HN discussion
  10. Submitted AI systems are about to start building themselves as a story · 2 points

    HN discussion
  11. Submitted GPT-2 five years later as a story · 2 points

    HN discussion
  12. Submitted Timing Superintelligence as a story · 1 points

    HN discussion
  13. Submitted My agents are working. Are yours? as a story · 1 points

    HN discussion
  14. Submitted Silent Sirens, flashing for us all as a story · 1 points

    HN discussion
  15. Submitted Import AI 431: Technological Optimism and Appropriate Fear as a story · 1 points

    HN discussion
  16. Submitted Technological Optimism and Appropriate Fear as a story · 1 points

    HN discussion
  17. Submitted Import AI 375: GPT-2 five years later as a story · 1 points

    HN discussion

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