Gemini 4 Carbon (High) vs Muse Spark 1.2 (xHigh) Benchmark Comparison

Direct benchmark comparison between Gemini 4 Carbon (High) and Muse Spark 1.2 (xHigh) based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
Gemini 4 Carbon (High)	1526	$0.000002	44
Muse Spark 1.2 (xHigh)	1493	$0.00000125	126

*These models represent the Pareto Frontier (optimal cost-to-performance).*

Comparison Summary: Gemini 4 Carbon (High) is the more capable model in this pair, leading by 32 Elo points. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate Claude Fable 5.2 (xHigh), which offers a superior benchmark-to-price ratio.