Claude Opus 5.5 vs GPT-6 Astra

Claude Opus 5.5 and GPT-6 Astra appear together in 7 posts on X: jelly Rubik's cube (@0xRhinoX), Eiffel Tower in Three.js, 4 models (@Bhavani_00007), night train 3D scene (@EnvolDev), interactive holographic CD (@kinderlayer), Minecraft-style floating island in Blender (@MrTacticalX) and 2 more. 6 of them are part of larger lineups with other models. In @0xRhinoX's jelly Rubik's cube, GPT-6 Astra was cheaper ($4.27 vs $11.10) and faster (1 h 14 min vs 1 h 23 min), as reported in the post. In @MrTacticalX's Minecraft-style floating island in Blender, GPT-6 Astra was cheaper ($4.00 vs $10.00) and faster (15 min vs 44 min), as reported in the post. In @bridgebench's lava lamp, 4 models, GPT-6 Astra was cheaper ($0.63 vs $1.27) and faster (5.1 min vs 9.6 min), as reported in the post. According to @0xRhinoX, only Claude Sonnet 5.5 and Claude Opus 5.5 produced translucent jelly. (The author’s view.)