PinnedRobert Hjertmann Christiansen·Oct 27AI: Decomposed and DemystifiedWhat sits beneath the chat box, and what it means for what you can buildA response icon2A response icon2
PinnedRobert Hjertmann Christiansen·Oct 25A rubber duck and a critic for AI coding agentsI let AI agents fix planted bugs 2,680 times, with and without two helper models. One helper raised fully correct fixes from 62% to 85%…
Robert Hjertmann Christiansen·2h agoYou Pay for What It ReadsWhy AI agents cost more than expected, and how caching and prompt order can cut the bill by more than halfA response icon1A response icon1
Robert Hjertmann Christiansen·3d agoDemos Are Easy, Production Is HardWhy the impressive demo is the easy part, and how to set expectations for production
Robert Hjertmann Christiansen·Oct 25A rubber duck and a critic for AI coding agents: the deep diveHow the harness, the helpers and the 2,680-run experiment were set up, and the full results: every hypothesis, every variation and the…