Better to be
roughly right
than precisely wrong.

Half-baked ideas on AI, product, and the messy work of building things. By Steve Just.

Recent writing

ai product

Agent Is Only Half of a Pair

A chart from a16z puts an agent at $80 an hour — roughly what an engineer costs, one choice away. But there are two other numbers on the same chart that nobody quotes: managed well, four dollars; managed badly, seven thousand. The four-dollar number requires a human to accept the work. The metric was built by dividing by you.

ai product

Anyone Can Build It Now. That Was Never the Point.

An LLM can now generate the work each role used to make by hand — the PRD, the mockup, the code — which makes it fair to ask whether the role is still needed. But producing the artifact and exercising the judgment behind it used to be one act. Pull them apart, and you find out which half was the job.