DeepSeek V3.2 Exp vs GPT-5.3-Codex
Compare DeepSeek V3.2 Exp by DeepSeek against GPT-5.3-Codex by OpenAI, context windows of 164K vs 400K, tested across 53 shared challenges.
Our Verdict
GPT-5.3-Codex
DeepSeek V3.2 ExpRunner-up
No community votes yet. On paper, GPT-5.3-Codex has the edge — bigger model tier, newer, bigger context window.
DeepSeek V3.2 Exp is 35x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V3.2 Exp
Input
$0.20
8.8× cheaper
Output
$0.40
35× cheaper
GPT-5.3-Codex
Input
$1.75
Output
$14.00
DeepSeek V3.2 Exp is cheaper on both — 8.8× input, 35× output
Writing DNA
Style Comparison
Similarity
72%
GPT-5.3-Codex uses 10.3x more emoji
DeepSeek V3.2 Exp
GPT-5.3-Codex
55%Vocabulary65%
17wSentence Length23w
0.44Hedging0.51
5.8Bold6.5
4.2Lists6.2
0.02Emoji0.16
0.95Headings1.90
0.03Transitions0.03
Based on 20 + 23 text responses
Research
What we learned reading every model
FAQ
