Claude Opus 5.5 vs GPT-6 Astra: Who Makes the Better Game?

Claude Opus 5.5 vs GPT-6 Astra. Same game, same plan, same computer. Who makes the better game? Both models built Go Go Slime! from scratch: a floating island in 3D, a day to night transition and a playable platformer where you jump higher and higher before the goo gets you. Every 3D model is made with code, no downloaded art. Three rounds, side by side: 🏝️ Round 1: the island 🌙 Round 2: day to night 🎮 Round 3: the game The numbers: ⏱️ Time: Astra 1 h 17 min, Claude 3 h 45 min 💰 Cost: Astra $52.22, Claude about $55 ⚖️ Blind jury: both models judged both games without knowing whose was whose. The result might surprise you. The full workflow, from an empty folder to a working game, is in my previous video 👉 https://www.youtube.com/watch?v=X0XYKyjhfEs Chapters 0:00 Do we have a new AI model king? 0:29 Same plan, same rules 1:05 Round 1: the island 1:59 Round 2: day to night 2:55 Round 3: the game 4:29 Time and cost 4:46 The blind jury 5:33 Final score 6:02 Who is better? Made with Claude Opus 5.5 in Claude Code, GPT-6 Astra in Codex, Blender 5.2 and Godot 4.7. Music from the YouTube Audio Library: "Fiesta Jarocha", "Snow Princess" and "Chiapas Marimba" by Jimena Contreras. Not sponsored. Who is better, Astra or Claude? Tell me in the comments 🙂 #Opus55 #GPT6 #GameDev