Command Code ran FlappyBench with the same /design prompt across Muse Spark 1.3, Grok-4.6, and Gemini 3.8 Flash. Muse and Grok both scored 9/10, while Muse cost only $0.072; Gemini scored 7/10, cost $0.205, and did not fully finish.

Key Takeaways

  • ✓Muse Spark 1.3: 9/10 at $0.072, completing the UI in two iterations at the lowest cost.
  • ✓Grok-4.6: 9/10 at $0.095, matching Muse output quality, though the post describes it as roughly twice the cost.
  • ✓Gemini 3.8 Flash: 7/10 at $0.205, the highest cost of the three and not fully finished.
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