DeepSeek V4 Flash 0731vsGPT-5.4 Mini
DeepSeek V4 Flash 0731 is cheaper than GPT-5.4 Mini at $0.14/M vs $0.75/M input tokens.
| Spec | DeepSeek V4 Flash 0731 | GPT-5.4 Mini |
|---|---|---|
| Input price | $0.14/M tokens | $0.75/M tokens |
| Output price | $0.28/M tokens | $4.5/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Jul 2026 | Mar 2026 |
Our Verdict
DeepSeek V4 Flash 0731
GPT-5.4 MiniRunner-up
Not enough votes to call it. On the specs, DeepSeek V4 Flash 0731 has the edge: bigger model tier, newer, bigger context window.
DeepSeek V4 Flash 0731 costs 16x less per token.
Slight edge
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
5.4× cheaper
Output
$0.28
16× cheaper
GPT-5.4 Mini
Input
$0.75
Output
$4.50
DeepSeek V4 Flash 0731 is cheaper on both — 5.4× input, 16× output
Writing DNA
Style Comparison
Similarity
59%
GPT-5.4 Mini uses 2.5x more headings
DeepSeek V4 Flash 0731
GPT-5.4 Mini
52%Vocabulary54%
18wSentence Length20w
0.38Hedging0.72
5.7Bold6.0
3.4Lists8.3
0.00Emoji0.00
0.83Headings2.11
0.04Transitions0.04
Based on 23 + 23 text responses
Research
What we learned reading every model
FAQ
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