claude-opus-4-6 vs glm-5.1 Benchmark Comparison
Direct benchmark comparison between claude-opus-4-6 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 |
| claude-opus-4-6 |
1498 |
$0.000005 |
43 |
| glm-5.1 |
1466 |
$9.66e-7 |
68 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Comparison Summary: claude-opus-4-6 is the more capable model in this pair, leading by 32 Elo points. However, neither model is currently Pareto-optimal. Developers looking for peak efficiency should investigate hy4-preview, which offers a superior benchmark-to-price ratio.