Gemini 3 Flash PreviewvsGPT-5
Gemini 3 Flash Preview is cheaper than GPT-5 at $0.5/M vs $1.25/M input tokens.
| Spec | Gemini 3 Flash Preview | GPT-5 |
|---|---|---|
| Input price | $0.5/M tokens | $1.25/M tokens |
| Output price | $3/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Dec 2025 | Aug 2025 |
| SWE-bench Verified | 78.0% | 74.9% |
Our Verdict
Gemini 3 Flash Preview
GPT-5
Not enough votes to call it. On the specs, nothing separates them.
Gemini 3 Flash Preview costs 3.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Gemini 3 Flash Preview
Input
$0.50
2.5× cheaper
Output
$3.00
3.3× cheaper
GPT-5
Input
$1.25
Output
$10.00
Gemini 3 Flash Preview is cheaper on both — 2.5× input, 3.3× output
Writing DNA
Style Comparison
Similarity
44%
Gemini 3 Flash Preview uses 39.2x more bold
Gemini 3 Flash Preview
GPT-5
57%Vocabulary65%
18wSentence Length13w
0.41Hedging0.20
7.4Bold0.2
4.2Lists4.6
0.00Emoji0.00
0.77Headings0.16
0.08Transitions0.03
Based on 28 + 16 text responses
Research
What we learned reading every model
FAQ
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