DeepSeek V3.2 vs GPT-5.5
Compare DeepSeek V3.2 by DeepSeek against GPT-5.5 by OpenAI, context windows of 131K vs 1.1M, tested across 54 shared challenges.
Our Verdict
GPT-5.5
DeepSeek V3.2Runner-up
No community votes yet. On paper, GPT-5.5 has the edge — bigger model tier, newer, bigger context window.
DeepSeek V3.2 is 71x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V3.2
Input
$0.28
18× cheaper
Output
$0.42
71× cheaper
GPT-5.5
Input
$5.00
Output
$30.00
DeepSeek V3.2 is cheaper on both — 18× input, 71× output
Writing DNA
Style Comparison
Similarity
51%
DeepSeek V3.2 uses 3.9x more transitions
DeepSeek V3.2
GPT-5.5
52%Vocabulary58%
31wSentence Length18w
0.58Hedging0.74
6.3Bold2.9
5.4Lists5.1
0.00Emoji0.00
0.80Headings1.68
0.13Transitions0.03
Based on 24 + 26 text responses
Research
What we learned reading every model
FAQ
