Performance Benchmarks for gemini-2.5-pro

Analyze how gemini-2.5-pro stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1446
💰 API Cost (Input): $0.00000125 / 1M tokens
⚡ API Cost (Output): $0.00001 / 1M tokens
⏱️ Real-world Throughput: 99 tokens/s

Analysis: While gemini-2.5-pro is a capable model, it is currently outperformed in efficiency by gemini-3-flash. gemini-3-flash sits higher on the Pareto line, offering approximately 27 points more intelligence (Elo) for a comparable or lower API cost.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
gemini-3-flash	1473	$5e-7	71
mimo-v2.5-pro	1466	$4.35e-7	72
qwen3.7-plus	1460	$3.2e-7	15
gemma-4-31b	1451	$1.2e-7	152
deepseek-v4-flash-thinking	1439	$7.7e-8	98

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