DeepSeek V3.1vsOpenAI o4 Mini High
DeepSeek V3.1 is cheaper than OpenAI o4 Mini High at $0.2/M vs $1.1/M input tokens.
| Spec | DeepSeek V3.1 | OpenAI o4 Mini High |
|---|---|---|
| Input price | $0.2/M tokens | $1.1/M tokens |
| Output price | $0.8/M tokens | $4.4/M tokens |
| Context window | 164K tokens | 200K tokens |
| Released | Aug 2025 | Apr 2025 |
| SWE-bench Verified | 66.0% | 68.1% |
Our Verdict
DeepSeek V3.1
OpenAI o4 Mini HighRunner-up
Not enough votes to call it. On the specs, DeepSeek V3.1 has the edge: bigger model tier, newer.
DeepSeek V3.1 costs 5.5x less per token.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
5.5× cheaper
Output
$0.80
5.5× cheaper
OpenAI o4 Mini High
Input
$1.10
Output
$4.40
DeepSeek V3.1 is cheaper on both — 5.5× input, 5.5× output
Writing DNA
Style Comparison
Similarity
48%
DeepSeek V3.1 uses 395.2x more bold
DeepSeek V3.1
OpenAI o4 Mini High
53%Vocabulary70%
14wSentence Length18w
0.42Hedging0.33
4.0Bold0.0
3.6Lists1.3
0.02Emoji0.02
0.40Headings0.00
0.22Transitions0.04
Based on 23 + 14 text responses
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