claude-opus-4-5-20251101 vs gemma-4-31b Benchmark Comparison

Direct benchmark comparison between claude-opus-4-5-20251101 and gemma-4-31b based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
claude-opus-4-5-20251101	1469	$0.000005	43
gemma-4-31b	1450	$1.3e-7	25

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

Comparison Summary: These models are highly competitive, with a negligible Elo gap of only 19 points. The choice between them should be driven by specific API features or provider preference. Specifically, gemma-4-31b is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.