gemini-2.5-pro vs grok-4.5 Benchmark Comparison
Direct benchmark comparison between gemini-2.5-pro and grok-4.5 based on LMArena Elo and the latest 2026 API pricing.
Direct Technical & Pricing Comparison
| Frontier Model |
LMArena Elo |
API Cost (1M) |
Throughput |
| gemini-2.5-pro |
1446 |
$0.00000125 |
89 |
| grok-4.5 |
1468 |
$0.000002 |
53 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Comparison Summary: These models are highly competitive, with a negligible Elo gap of only 22 points. The choice between them should be driven by specific API features or provider preference.