Claude Opus-5.5 vs. GPT-6 Sol vs. GPT-6 Astra

Claude Opus-5.5 vs. GPT-6 Sol vs. GPT-6 Astra I asked each model to build a strategy game demo inspired by Rome: Total War based on generated concept art, and then render a video trailer showcasing their work Opus-5.5 1. Planned the stack better than the others and thought several steps ahead about the project's specifics so that everything would run stably and look good. Went straight to implementing it in WebGL instead of three.js 2. Got everything working on the first try in 1 hour 3. Handled the details well, and the result is the closest to the concept art. Made the scene dynamic through animations GPT-6 Sol 1. Also implemented everything in WebGL 2. Instead of a full 3D scene, generated a bunch of sprites and scattered them across the scene 3. The work took 3 steps, with corrections and clarifications on my part. Took about 2 hours GPT-6 Astra 1. Worst stack and technical implementation of the three. Started with three.js, and the scene initially ran at 15 fps 2. The…