We tested Fable 5, Grok 4.5, GPT 5.6 Sol Ultra, and GLM 5.2 on the same arcade game prompt. This was the result : Claude Fable 5 - the smoothest gameplay of the four. fluid movement, no jank. Grok 4.5 - nailed the screen shake, particle explosions, neon cinematics. most visually dramatic build. GPT 5.6 Sol - the all-rounder. genuinely great gameplay experience, nothing broken, everything solid. GLM 5.2 - an open-weight model shipping a complete, playable build that held its own against three closed frontier models. Which one did you like the most?

prompt : Create a complete Space Invaders-inspired arcade game using ONLY a single HTML file. Requirements: - Everything must be contained in one HTML file (HTML, CSS, and JavaScript). - Do not use any external libraries, frameworks, assets, or CDN resources. - Use the HTML5 Canvas API for rendering. - The game should run immediately when the HTML file is opened in a browser. Gameplay: - Player controls a spaceship at the bottom of the screen. - Move left/right with A/D or Arrow keys. - Shoot with Spacebar. - Multiple rows of alien enemies move horizontally and descend after reaching screen edges. - Enemies fire projectiles at random intervals. - Player has 3 lives. - Score increases when enemies are destroyed. - Game ends when lives reach zero or enemies reach the bottom. - Winning occurs when all enemies are destroyed. Visuals: - Modern neon sci-fi aesthetic. - Smooth animations (60 FPS target). - Particle explosion effects when enemies are destroyed. - Background starfield with subtle movement. - HUD displaying: - Score - Lives - Current Level - Responsive canvas that scales with browser size. - Screen shake effect on explosions. - Flashing effects for hits. - Animated menu and Game Over screen. Audio: - Generate simple retro sound effects using the Web Audio API. - No external audio files. Game Features: - Increasing difficulty every level. - Faster enemies each round. - Occasional bonus UFO crossing the top of the screen. - Pause with P. - Restart after Game Over. - High score stored using localStorage. - Delta-time based game loop for smooth gameplay. - Clean object-oriented or modular JavaScript architecture. Code Quality: - Well commented. - Organized into logical sections. - Avoid global variables where possible. - Maintain good performance. Output: Return ONLY the complete HTML document enclosed in one ```html``` code block. Do not include explanations or markdown outside the code block. make a small version of the prompt