Muse Ember (Max) vs Hy4 preview Benchmark Comparison

Direct benchmark comparison between Muse Ember (Max) and Hy4 preview based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
Muse Ember (Max)	1608	$1e-7	173
Hy4 preview	1631	$8.34e-7	67

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

Comparison Summary: These models are highly competitive, with a negligible Elo gap of only 23 points. The choice between them should be driven by specific API features or provider preference. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate GPT-6.1 Terra (Max), which offers a superior benchmark-to-price ratio.