Performance Benchmarks for gemini-pro

Analyze how gemini-pro stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1221
💰 API Cost (Input): $0.000002 / 1M tokens
⚡ API Cost (Output): $0.000012 / 1M tokens
⏱️ Real-world Throughput: N/A tokens/s

Analysis: While gemini-pro is a capable model, it is currently outperformed in efficiency by gemini-3.1-pro-preview. gemini-3.1-pro-preview sits higher on the Pareto line, offering approximately 272 points more intelligence (Elo) for a comparable or lower API cost.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3.1-pro-preview	1493	$0.000002	60
gpt-5.2-chat-latest-20260210	1477	$0.00000175	20
gpt-5.5	1475	$0.00000125	42
gemini-3-flash	1473	$5e-7	91
deepseek-v4-pro	1463	$4.35e-7	31

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