deepseek-v3.1 vs gpt-5.1
Direct benchmark comparison between deepseek-v3.1 and gpt-5.1 based on LMArena Elo and latest API pricing.
Direct Technical Comparison
| Frontier Model |
LMArena Elo |
API Cost (1M) |
Throughput |
| deepseek-v3.1 |
1418 |
$1.5e-7 |
11 |
| gpt-5.1 |
1439 |
$0.00000125 |
52 |
*These models represent the Pareto Frontier (optimal cost-to-performance).*
Conclusion: For developers looking for higher intelligence, gpt-5.1 currently leads with an Elo of 1439.