claude-fable-5 vs glm-5.2-max Benchmark Comparison

Direct benchmark comparison between claude-fable-5 and glm-5.2-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	1506	$0.00001	41.5
glm-5.2-max	1472	$5.544e-7	51

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

Comparison Summary: claude-fable-5 is the more capable model in this pair, leading by 34 Elo points. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate hy4-preview, which offers a superior benchmark-to-price ratio.