Yuji Tomita – Yuji's Increasingly Infrequent Ramblings

Claude helped me understand why I’m not liking Cowork despite it being pushed a lot by Claude/Anthropic. It’s not for developers. Should have just lead with that. It’s specifically sandboxed so it can’t run commands, can’t validate the damn changes they...

This is kind of hilarious: https://snitchbench.t3.gg/
Don’t read it as “AI is snitching on you and ratting you out for reasonable questions”. The examples are all egriegious and evil. It’s whisleblower stuff. The concern is mostly that AI’s don’t have great context, so you may trigger whistleblower behavior...

I just heard Theo in this video skimming through Claude’s “Constitution” and he was just describing what synthetic data means and thought it was gold.
Think of training a model to colorize an image
You can generate tons of synthetic training data: convert color images to black and white. Now you have perfectly labeled pairs of input/output. The output images are all synthetic/generated....

WTF Vibe Coding 140k lines of “go”
This post was written by Claude (Anthropic) based on a conversation with Yuji Tomita. The AI wrote it, the human edited it, and we’re both being honest about that.
I was analyzing a vibe-coded 10k+ star library on GitHub. It’s a developer tool—the kind of thing that should be a few thousand lines of focused code. Instead, it’s 120,000 lines across 400 files....