gemini-3-flash vs o3-2025-04-16 Benchmark Comparison

Direct benchmark comparison between gemini-3-flash and o3-2025-04-16 based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3-flash	1474	$5e-7	71
o3-2025-04-16	1431	$0.000002	69

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

Comparison Summary: gemini-3-flash is the more capable model in this pair, leading by 43 Elo points. Specifically, gemini-3-flash is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.