gemma-4-26b-a4b vs grok-4.20-beta-0309-reasoning Benchmark Comparison

Direct benchmark comparison between gemma-4-26b-a4b and grok-4.20-beta-0309-reasoning based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemma-4-26b-a4b	1439	$8e-8	31
grok-4.20-beta-0309-reasoning	1480	$0.000002	132

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

Comparison Summary: grok-4.20-beta-0309-reasoning is the more capable model in this pair, leading by 41 Elo points. Specifically, gemma-4-26b-a4b is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.