Gemini 3 Flash PreviewvsOpenAI o4 Mini High
Gemini 3 Flash Preview is cheaper than OpenAI o4 Mini High at $0.5/M vs $1.1/M input tokens.
| Spec | Gemini 3 Flash Preview | OpenAI o4 Mini High |
|---|---|---|
| Input price | $0.5/M tokens | $1.1/M tokens |
| Output price | $3/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 200K tokens |
| Released | Dec 2025 | Apr 2025 |
| SWE-bench Verified | 78.0% | 68.1% |
Our Verdict
Gemini 3 Flash Preview
OpenAI o4 Mini HighRunner-up
Not enough votes to call it. On the specs, Gemini 3 Flash Preview has the edge: bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
Gemini 3 Flash Preview
Input
$0.50
2.2× cheaper
Output
$3.00
1.5× cheaper
OpenAI o4 Mini High
Input
$1.10
Output
$4.40
Gemini 3 Flash Preview is cheaper on both — 2.2× input, 1.5× output
Writing DNA
Style Comparison
Similarity
44%
Gemini 3 Flash Preview uses 710.1x more bold
Gemini 3 Flash Preview
OpenAI o4 Mini High
55%Vocabulary70%
18wSentence Length18w
0.42Hedging0.33
7.1Bold0.0
4.5Lists1.3
0.00Emoji0.02
0.84Headings0.00
0.07Transitions0.04
Based on 24 + 14 text responses
Research
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