gpt-5.1 vs glm-5.1 Benchmark Comparison
Direct benchmark comparison between gpt-5.1 and glm-5.1 based on LMArena Elo and the latest 2026 API pricing.
Direct Technical & Pricing Comparison
| Frontier Model |
LMArena Elo |
API Cost (1M) |
Throughput |
| gpt-5.1 |
1438 |
$0.00000125 |
57 |
| glm-5.1 |
1471 |
$0.00000126 |
34 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Comparison Summary: glm-5.1 is the more capable model in this pair, leading by 33 Elo points. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate gpt-5.2-chat-latest-20260210, which offers a superior benchmark-to-price ratio.