Hy4 Preview vs Kimi K3 vs GLM 5.3 on FlappyBench

Tested FlappyBench with /design on Hy4 Preview, Kimi K3, and GLM 5.3.

• Hy4 Preview ($0.0480): Most distinct UI and gameplay
• Kimi K3 ($0.0740): Hardest gameplay and the most expensive
• GLM 5.3 ($0.0184): Smooth gameplay and the cheapest of the three

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