DeepSeek V3.1 vs GPT-5
Compare DeepSeek V3.1 by DeepSeek against GPT-5 by OpenAI, in 9 community votes, gpt-5 wins 80% of head-to-head duels, context windows of 164K vs 400K, tested across 52 shared challenges.
Reasoning: GPT-5 wins 100% of votes
Image Generation: GPT-5 wins 100% of votes
Our Verdict
GPT-5Winner
DeepSeek V3.1Runner-up
Pick GPT-5. In 9 blind votes, GPT-5 wins 80% of the time. That's not luck.
GPT-5 particularly excels in Reasoning, Image Generation. DeepSeek V3.1 is 13x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
6.3× cheaper
Output
$0.80
13× cheaper
GPT-5
Input
$1.25
Output
$10.00
DeepSeek V3.1 is cheaper on both — 6.3× input, 13× output
Writing DNA
Style Comparison
Similarity
43%
DeepSeek V3.1 uses 2.4x more emoji
DeepSeek V3.1
GPT-5
53%Vocabulary65%
14wSentence Length13w
0.42Hedging0.20
4.0Bold0.2
3.6Lists4.6
0.02Emoji0.00
0.40Headings0.16
0.22Transitions0.03
Based on 23 + 16 text responses
Research
What we learned reading every model
FAQ
