TLDR Tech / Founders
The Most Fun I've Had Building Apps: GPT-5.5 + GPT-Image-2
Paste a screenshot of an app into Codex. Codex builds it, then opens a browser and compares the running app against the original screenshot. In the Artemis II example, Codex pulled real NASA mission data, noticed the screenshot's Earth-to-Moon ratio was wrong for the actual mission, and interpolated a flight path that preserved the visual without lying about the physics. The system treated the visual as design intent, not gospel. The bottleneck stops being "can you make the first version" and starts being "can you tell what's off."
Read the full story