This took about 4 months as a hobby project; I don't know how much of that was work and how much was "waiting for the next model", probably a mix of both.

Since this ended up on Hacker News, I'll say it: I find the discourse around LLMs strangely sad. They're annoying, yes, and they make mistakes every day, every hour. But they're also amazing, and working with them has been one of the most rewarding things I've done in years.

Historically things that make people more productive have tended to make us richer, not poorer. And it's a virtue to change your mind as the evidence comes in.

We played with Lego all our lives; now the Lego understands us and helps us build. I think that's something to be glad about.