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DeepSeek V3.2 vs GPT-5.5

DeepSeek V3.2 leads in 4 of 8 categories

Arena ELO

DeepSeek V3.2

Cheaper

DeepSeek V3.2

Faster

DeepSeek V3.2

Detailed Comparison

CategoryDeepSeek V3.2GPT-5.5
ProviderDeepSeek OpenAI
Context Window128K 128K
Input Price ($/1M)$0.27 WIN$5
Output Price ($/1M)$1.1 WIN$30
Arena ELO1380 WINN/A
Codingunknown N/A
Reasoningunknown N/A
Speed (tokens/sec)~80 t/s WINN/A
Open SourceYes No

Frequently Asked Questions

Which is cheaper, DeepSeek V3.2 or GPT-5.5?

DeepSeek V3.2 is approximately 96% cheaper than GPT-5.5 per million tokens.

Which is better for coding, DeepSeek V3.2 or GPT-5.5?

DeepSeek V3.2 scores unknown on coding benchmarks, while GPT-5.5 scores N/A.

Which has a larger context window?

DeepSeek V3.2 supports 128K context, while GPT-5.5 supports 128K.

Is DeepSeek V3.2 or GPT-5.5 open source?

DeepSeek V3.2 is open source. GPT-5.5 is proprietary.