gemini-3.8-flash-high vs grok-4.7-xhigh Benchmark Comparison

Direct benchmark comparison between gemini-3.8-flash-high and grok-4.7-xhigh based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3.8-flash-high	1493	$7.5e-7	118
grok-4.7-xhigh	1632	$0.0000016	52

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

Comparison Summary: grok-4.7-xhigh is the more capable model in this pair, leading by 139 Elo points. Specifically, grok-4.7-xhigh is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.