gpt-5-chat vs mimo-v2.5-pro Benchmark Comparison
Direct benchmark comparison between gpt-5-chat and mimo-v2.5-pro based on LMArena Elo and the latest 2026 API pricing.
Direct Technical & Pricing Comparison
| Frontier Model |
LMArena Elo |
API Cost (1M) |
Throughput |
| gpt-5-chat |
1426 |
$0.00000125 |
101 |
| mimo-v2.5-pro |
1465 |
$0.000001 |
35 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Comparison Summary: mimo-v2.5-pro is the more capable model in this pair, leading by 39 Elo points. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate gemini-3.1-pro-preview, which offers a superior benchmark-to-price ratio.