Gemini 2.5 Flash Preview 05-20vsOpenAI o4 Mini High
Gemini 2.5 Flash Preview 05-20 is cheaper than OpenAI o4 Mini High at $0.15/M vs $1.1/M input tokens.
| Spec | Gemini 2.5 Flash Preview 05-20 | OpenAI o4 Mini High |
|---|---|---|
| Input price | $0.15/M tokens | $1.1/M tokens |
| Output price | $0.6/M tokens | $4.4/M tokens |
| Context window | 1.0M tokens | 200K tokens |
| Released | May 2025 | Apr 2025 |
Our Verdict
Gemini 2.5 Flash Preview 05-20
OpenAI o4 Mini HighRunner-up
Not enough votes to call it. On the specs, Gemini 2.5 Flash Preview 05-20 has the edge: newer, bigger context window.
Gemini 2.5 Flash Preview 05-20 costs 7.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20
Input
$0.15
7.3× cheaper
Output
$0.60
7.3× cheaper
OpenAI o4 Mini High
Input
$1.10
Output
$4.40
Gemini 2.5 Flash Preview 05-20 is cheaper on both — 7.3× input, 7.3× output
Writing DNA
Style Comparison
Similarity
60%
Gemini 2.5 Flash Preview 05-20 uses 110.4x more bold
Gemini 2.5 Flash Preview 05-20
OpenAI o4 Mini High
69%Vocabulary70%
10wSentence Length18w
0.26Hedging0.33
1.1Bold0.0
5.5Lists1.3
0.00Emoji0.02
0.00Headings0.00
0.00Transitions0.04
Based on 2 + 14 text responses
Research
What we learned reading every model
FAQ
Common questions
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