I Tested Gemini 4 vs Opus 5.5 vs GPT-6 Astra vs Muse Wonder (5 Use Cases)

Copy my best AI workflows to save time and automate busywork: https://www.behindthecraft.com 🤝 Subscribe to my practical AI newsletter read by 150K+ professionals: https://creatoreconomy.so Gemini 4 just launched and the frontier model race is now a four-horse race. I tested Gemini 4, Opus 5.5, GPT-6 Astra, and Muse Wonder across five real use cases: 3D models, games, animated shorts, website design, and writing. What I cover: (00:00) Four frontier models build Himeji Castle in code (00:43) Test 1: Himeji Castle in Blender with music (03:46) Test 2: A Star Fox x StarCraft rail shooter (07:0