Gemini 2.5 Flash PreviewvsGemini 2.5 Pro Experimental
Gemini 2.5 Flash Preview is cheaper than Gemini 2.5 Pro Experimental at $0.15/M vs $1/M input tokens.
| Spec | Gemini 2.5 Flash Preview | Gemini 2.5 Pro Experimental |
|---|---|---|
| Input price | $0.15/M tokens | $1/M tokens |
| Output price | $0.6/M tokens | $2/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Apr 2025 | Mar 2025 |
| SWE-bench Verified | 60.4% | 63.8% |
Our Verdict
Gemini 2.5 Pro Experimental
Gemini 2.5 Flash PreviewRunner-up
Not enough votes to call it. On the specs, Gemini 2.5 Pro Experimental has the edge: bigger model tier.
Gemini 2.5 Flash Preview costs 3.3x less per token.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview
Input
$0.15
6.7× cheaper
Output
$0.60
3.3× cheaper
Gemini 2.5 Pro Experimental
Input
$1.00
Output
$2.00
Gemini 2.5 Flash Preview is cheaper on both — 6.7× input, 3.3× output
Writing DNA
Style Comparison
Similarity
65%
Gemini 2.5 Pro Experimental uses 4.4x more headings
Gemini 2.5 Flash Preview
Gemini 2.5 Pro Experimental
51%Vocabulary54%
15wSentence Length15w
0.70Hedging0.35
4.1Bold5.6
3.3Lists3.9
0.00Emoji0.00
0.09Headings0.39
0.24Transitions0.17
Based on 12 + 18 text responses
Research
What we learned reading every model
FAQ
Common questions
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