— a public notebook
Hi, I'm Edmund Hee.
CTO at LEAD, founder of GRUDA Technologies, and an AI trainer on the side. This site is where I think out loud — notes on what I'm building, what I'm teaching, and the half-formed ideas in between.
01 · Recent writing
DeepSeek V4 Pro: 519 million tokens for $7
Our four-dev team blew through Claude Code's weekly budget, so we pointed everything at DeepSeek V4 Pro instead. Twelve days and $7 later, here's how it stacks up against Opus 4.7 and Sonnet 4.6 — and why the timing matters.
Cutting Claude Code tokens by ~75% with caveman mode
An ultra-compressed prompt style that strips articles, filler, and pleasantries from Claude Code without losing technical substance. Here's what it costs, what it saves, and where it bites.