deepseek-v3.2-exp-thinking vs gpt-5.1

Direct benchmark comparison between deepseek-v3.2-exp-thinking and gpt-5.1 based on LMArena Elo and latest API pricing.

Direct Technical Comparison

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
deepseek-v3.2-exp-thinking	1425	$2.7e-7	7
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.