claude-opus-4-1-20250805 vs gemini-3.5-flash-lite Benchmark Comparison

Direct benchmark comparison between claude-opus-4-1-20250805 and gemini-3.5-flash-lite based on LMArena Elo and the latest 2026 API pricing.

Direct Technical & Pricing Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
claude-opus-4-1-20250805	1447	$0.000015	20
gemini-3.5-flash-lite	1458	$3e-7	88

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

Comparison Summary: These models are highly competitive, with a negligible Elo gap of only 11 points. The choice between them should be driven by specific API features or provider preference. Specifically, gemini-3.5-flash-lite is currently on the Pareto line, suggesting it offers better systemic value for its performance tier.