I decided to try Flux Kontext Dev. I'm not overly impressed with it because it can't even remember that the mech is supposed to have 4 legs, and it costs more than Ideogram 2a Turbo, which usually succeeds on this. Pretty good background, though.
A sleek, buff, imposing mech with four legs stands guard over an ancient alien temple built with streamlined architecture and covered with an eerie, ethereal glow. The mech's silver armor gleams with intricate purple Tron-like highlights, and a massive gun mounted on the side of its head adds an air ...
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3D Game Cinematic Feel, Epic 3D Videogame Graphics, Intricately Detailed, 8K Resolution, Dynamic Lighting, Unreal Engine 5, CryEngine, Trending on ArtStation, HDR, 3D Masterpiece, Unity Render, Perfect Composition