Performance Benchmarks for grok-4.5

Analyze how grok-4.5 stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1572
💰 API Cost (Input): $0.000002 / 1M tokens
⚡ API Cost (Output): $0.000006 / 1M tokens
⏱️ Real-world Throughput: 83 tokens/s

Analysis: grok-4.5 offers competitive performance with an Elo of 1572. For developers optimizing strictly for cost-to-performance, we recommend comparing it against the current frontier leaders.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
qwen3.7-max-preview	1475	$0.00000125	48
gemini-3-flash	1473	$5e-7	66
mimo-v2.5-pro	1466	$4.35e-7	52
qwen3.7-plus	1463	$3.2e-7	16
gemma-4-31b	1451	$1.2e-7	123

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