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AI Focus

Personal blog · aifoc.us · on HN as kinlanaiprogramming

AI Focus is a personal blog at aifoc.us about ai and programming. Since 2025, 13 different Hacker News readers have linked it 18 times, most often “The Browser Is the Sandbox”. It is still writing: the last post was on 2026-11-01, and you can follow it by feed.

Visit the blog
18mentions?
13HN people?
2025–2026first – last linked?
Links on Hacker News per year · peak 14 in 2026

In March, Claude Code was 2.6 million public GitHub commits a week. In September I said 7 million. Re-run for the 52 weeks to 1 November 2026, it is 10.3 million a week, and every tool I track is in the table.

The author on HN?

kinlan · 2,161 karma · member since 2010

Lead for Web and Chrome Developer Relations at Google. https://paul.kinlan.me/ and https://aifoc.us/ I run office hours (see link above). If you have any Chrome or web dev question I can try and help (or find someone who can help) - or email me (paulkinlan@google.com) RSS is alive https://paul.kinlan.me/index.xml https://meet.hn/city/gb-Ruthin Here is my social information: - https://linkedin.com/in/Paulkinlan - https://x.com/Paul_kinlan - https://bsky.app/profile/paul.kinlan.me - https://githu…

From their public HN profile, which links to this site.

Most-linked posts?

  1. The Browser Is the Sandbox
    5 people · 5 mentions · first linked 2026-01-25
  2. A link is all you need
    2 people · 2 mentions · first linked 2025-06-09
  3. Token Salary
    2 people · 2 mentions · first linked 2026-03-30

What Hacker News says?

  1. Paul Kinlan published a blog post a couple of days ago [1] with some interesting data, that show output tokens only account for 4% of token usage. It's a pretty wide-reaching article, so here's the relevant quote (emphasis mine): > Real-world data from OpenRouter’s programming category shows 93.4% input tokens, 2.5% reasoning tokens, and just 4.0% output tokens . It’s almost entirely input. [1]: https://aifoc.us/the…

    Comment linking /the-token-salary/

    on “Universal Claude.md – cut Claude output tokens by 63%”
  2. Submitted Dead Framework Theory as a story · 113 points

    HN discussion
  3. > https://aifoc.us/the-browser-is-the-sandbox/ which is a prototype of Claude Cowork in the browser Yup. That's the link, all right—the one that I'm citing examples from. Thanks for the reminder, I guess: it has been a whole 8 hours since I last read it. What "we" are talking about here , in this subthread, is the fact that "Browsers have had widespread support for processing files" for a long, long time, and that a…

    Comment linking /the-browser-is-the-sandbox/

    on “The Browser Is the Sandbox”
  4. Submitted Does a URL just sitting in a prompt steer an LLM's output toward its content? as a story · 2 points

    HN discussion
  5. We're talking about Simon's boosting of https://aifoc.us/the-browser-is-the-sandbox/ which is a prototype of Claude Cowork in the browser. That's what I'm saying needs read-write access.

    Comment linking /the-browser-is-the-sandbox/

    on “The Browser Is the Sandbox”
  6. Submitted Token Salary as a story · 2 points

    HN discussion
  7. This is an entry on my link blog - make sure to read the article it links to for full context, my commentary alone might not make sense otherwise: https://aifoc.us/the-browser-is-the-sandbox/

    Comment linking /the-browser-is-the-sandbox/

    on “The Browser Is the Sandbox”
  8. Submitted The Prompt Is the Program as a story · 2 points

    HN discussion
  9. I think the implication was that an LLM generated the text (which isn't an issue for me even if it was.) That all being said, I love this project and I love how you're exploring linking in other mediums. I tried to do other linking demos via https://aifoc.us/hypermedia/ - it's something we don't do anywhere near enough

    Comment linking /hypermedia/

    on “Show HN: A Handwritten Blogging Platform”
  10. Submitted A link is all you need as a story · 2 points

    HN discussion
  11. Associated post by same author: interception https://aifoc.us/interception/

    Comment linking /interception/

    on “Fauxmium – browse an infinite imaginary web”
  12. Submitted A link is all you need as a story · 2 points

    HN discussion
  13. Submitted Building a claw-like agent to run in the browser as a story · 1 points

    HN discussion
  14. Submitted Model Half-Life as a story · 1 points

    HN discussion
  15. Submitted Damn Claude, that's a lot of commits as a story · 1 points

    HN discussion
  16. Submitted The Browser Is the Sandbox as a story · 1 points

    HN discussion
  17. Submitted If NotebookLM was a web browser as a story · 1 points

    HN discussion
  18. Submitted The Browser Is the Sandbox as a story · 1 points

    HN discussion

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