Claude Fable 5 (High) vs Muse Ember (Max) Benchmark Comparison

Direct benchmark comparison between Claude Fable 5 (High) and Muse Ember (Max) based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
Claude Fable 5 (High)	1504	$0.00001	54
Muse Ember (Max)	1608	$1e-7	173

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

Comparison Summary: Muse Ember (Max) is the more capable model in this pair, leading by 104 Elo points. 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.