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takwatanabe

HN member
Joined
Sun, Mar 08, 2026, 1:55 PM UTC
HN karma
8
Public activity
8 items

About takwatanabe

Takahiko Watanabe — Japanese Psychiatrist / Entrepreneur / Engineer (30+ years). Building AnimaWorks: autonomous AI organizations modeled on the human brain. Each agent has its own identity, memory (recall, learning, forgetting), and schedule.

Clinic: https://heartgroup.jp/about/ Project: https://github.com/xuiltul/animaworks

Recent public activity

  1. comment
    Comment #47396809

    We build and run a multi-agent system. Today Cursor won. For a log analysis task — Cursor: 5 minutes. Our pipeline: 30 minutes. Still a case for it: 1. Isolated contexts per role (…

  2. comment
    Comment #47395292

    Knowing fundamentals gives you deeper intuition about the technology, at every layer. When compilers appeared, you no longer needed to understand assembly and registers. But knowin…

  3. comment
    Comment #47375675

    Right. At Opus 4.6 rates, once you're at 700k context, each tool call costs ~$1 just for cache reads alone. 100 tool calls = $100+ before you even count outputs. 'Standard pricing'…

  4. comment
    Comment #47318732

    As a psychiatrist, this problem reminds me of something we studied for a long time. Patients get worse in areas we are not measuring, but the numbers we record still look normal. W…

  5. comment
    Comment #47304509

    The coffee machine example is interesting. That's procedural memory in neuroscience. You don't memorize each machine. You abstract the steps. Grind, filter, add grounds, pour water…

  6. comment
    Comment #47303939

    I know Sonnet 4.6 has a 1M context window. I use it every day. But in my experience with Claude Code and Cursor, performance clearly drops between 20k and 200k context. External me…

  7. comment
    Comment #47303195

    Yeah, fair enough. I leaned on Claude to clean up my English. I normally write in Japanese. The clinical stuff is mine though, I run a psych clinic in Japan (link in profile). Shou…

  8. comment
    Comment #47303004

    The post-it note analogy is good, but as a psychiatrist, I'd frame it differently: LLMs are essentially patients with anterograde amnesia. They can reason brilliantly within a sing…