Gemini 2.5 Flash Preview 09-2025vsGemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview (thinking) is cheaper than Gemini 2.5 Flash Preview 09-2025 at $0.175/M vs $0.3/M input tokens.
| Spec | Gemini 2.5 Flash Preview 09-2025 | Gemini 2.5 Flash Preview (thinking) |
|---|---|---|
| Input price | $0.3/M tokens | $0.175/M tokens |
| Output price | $2.5/M tokens | $3.5/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Released | Sep 2025 | Apr 2025 |
Our Verdict
Gemini 2.5 Flash Preview 09-2025
Gemini 2.5 Flash Preview (thinking)Runner-up
Not enough votes to call it. On the specs, Gemini 2.5 Flash Preview 09-2025 has the edge: bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 09-2025
Input
$0.30
Output
$2.50
1.4× cheaper
Gemini 2.5 Flash Preview (thinking)
Input
$0.17
1.7× cheaper
Output
$3.50
Gemini 2.5 Flash Preview (thinking) wins input (1.7× cheaper)·Gemini 2.5 Flash Preview 09-2025 wins output (1.4× cheaper)
Writing DNA
Style Comparison
Similarity
43%
Gemini 2.5 Flash Preview 09-2025 uses 13.5x more emoji
Gemini 2.5 Flash Preview 09-2025
Gemini 2.5 Flash Preview (thinking)
53%Vocabulary53%
19wSentence Length14w
0.30Hedging0.38
5.8Bold4.4
3.1Lists4.1
0.14Emoji0.00
0.93Headings0.00
0.22Transitions0.24
Based on 22 + 7 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
Gemini 2.5 Flash Preview 09-2025 vs MiniMax M3New provider
Gemini 2.5 Flash Preview 09-2025 vs Ox AlphaNew provider
Gemini 2.5 Flash Preview 09-2025 vs Claude Opus 4New provider
Gemini 2.5 Flash Preview 09-2025 vs Claude Opus 4.1New provider
Gemini 2.5 Flash Preview 09-2025 vs Optimus AlphaNew provider
Gemini 2.5 Flash Preview 09-2025 vs Owl AlphaNew provider
Gemini 2.5 Flash Preview 09-2025 vs PaLM 2 ChatSame lab
Gemini 2.5 Flash Preview 09-2025 vs Polaris AlphaNew provider