Field notes

Calm observations on AI, creative work, and the tools I ship.

I am Yash Raj. I prefer quiet interfaces, practical experiments, and essays that can be read in one sitting. This site is where I document the work so it stays useful for others.

Recent writing

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  1. No. 04

    How I Keep My AI Biology Models Honest

    Baselines, held-out datasets, fixed metrics, and the checks I use to avoid believing results that are not real.
  2. No. 03

    Compute, Confidence, and a Bad Pivot: My Lessons from Arc Institute’s Virtual Cell Challenge 2025

    An honest post-mortem of finishing rank 157 in Arc Institute's Virtual Cell Challenge after sitting at rank 89, and t...
  3. No. 02

    You're Not Falling Behind: Surviving AI Hype in Biotech

    Notes on the mental load of working near AI and biology, and a few honest habits I use to stay grounded when the fiel...
  4. No. 01

    AI Art, Ethics, and Why We Should All Chill a Bit

    Why I think the outrage over AI-generated art misses the point, and what the history of photography and digital art c...