DeepSeek V3.1 vs DeepSeek R1
Compare DeepSeek V3.1 and DeepSeek R1, both from DeepSeek, context windows of 164K vs 128K, tested across 53 shared challenges.
Our Verdict
DeepSeek V3.1
DeepSeek R1Runner-up
No community votes yet. On paper, DeepSeek V3.1 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
2.8× cheaper
Output
$0.80
2.7× cheaper
DeepSeek R1
Input
$0.55
Output
$2.19
DeepSeek V3.1 is cheaper on both — 2.8× input, 2.7× output
Writing DNA
Style Comparison
Similarity
52%
DeepSeek R1 uses 2.0x more bold
DeepSeek V3.1
DeepSeek R1
53%Vocabulary62%
14wSentence Length15w
0.42Hedging0.52
4.0Bold8.0
3.6Lists5.7
0.02Emoji0.04
0.40Headings0.62
0.22Transitions0.28
Based on 23 + 22 text responses
Research
What we learned reading every model
FAQ
Common questions
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