Kimi K3 vs Opus 4.8: better 3D particle simulation at half the cost

Compared Kimi K3 vs Opus 4.8 on simulating thousands of particles reacting to gravity in real time. K3 produced more organic distribution and smoother motion, with clustering and drifting like real physics. Opus gave a more rigid, grid-like pattern. K3 cost $0.65 in API vs Opus's $1.30.

• cost
• AI comparison
• Opus 4.8
• Kimi K3
• particle simulation