DeepSeek V4 Flash vs GPT-5.2 Chat
Compare DeepSeek V4 Flash by DeepSeek against GPT-5.2 Chat by OpenAI, context windows of 1.0M vs 128K, tested across 52 shared challenges.
Our Verdict
DeepSeek V4 Flash
GPT-5.2 ChatRunner-up
No community votes yet. On paper, DeepSeek V4 Flash has the edge — newer, bigger context window.
DeepSeek V4 Flash is 50x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Flash
Input
$0.14
12× cheaper
Output
$0.28
50× cheaper
GPT-5.2 Chat
Input
$1.75
Output
$14.00
DeepSeek V4 Flash is cheaper on both — 12× input, 50× output
Writing DNA
Style Comparison
Similarity
45%
GPT-5.2 Chat uses 30.6x more emoji
DeepSeek V4 Flash
GPT-5.2 Chat
54%Vocabulary66%
17wSentence Length16w
0.52Hedging0.41
3.6Bold9.6
2.6Lists4.4
0.00Emoji0.31
0.41Headings1.20
0.19Transitions0.27
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
