Gemini 2.0 Flash ThinkingvsGemini 2.5 Flash Preview 09-2025
Gemini 2.0 Flash Thinking is cheaper than Gemini 2.5 Flash Preview 09-2025 at $0.25/M vs $0.3/M input tokens.
| Spec | Gemini 2.0 Flash Thinking | Gemini 2.5 Flash Preview 09-2025 |
|---|---|---|
| Input price | $0.25/M tokens | $0.3/M tokens |
| Output price | $0.5/M tokens | $2.5/M tokens |
| Context window | 500K tokens | 1.0M tokens |
| Released | Dec 2024 | Sep 2025 |
Our Verdict
Gemini 2.5 Flash Preview 09-2025
Gemini 2.0 Flash ThinkingRunner-up
Not enough votes to call it. On the specs, Gemini 2.5 Flash Preview 09-2025 has the edge: bigger model tier, newer, bigger context window.
Gemini 2.0 Flash Thinking costs 5.0x less per token.
Slight edge
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
1.2× cheaper
Output
$0.50
5.0× cheaper
Gemini 2.5 Flash Preview 09-2025
Input
$0.30
Output
$2.50
Gemini 2.0 Flash Thinking is cheaper on both — 1.2× input, 5.0× output
Writing DNA
Style Comparison
Similarity
42%
Gemini 2.5 Flash Preview 09-2025 uses 13.5x more emoji
Gemini 2.0 Flash Thinking
Gemini 2.5 Flash Preview 09-2025
54%Vocabulary53%
15wSentence Length19w
0.64Hedging0.30
3.8Bold5.8
2.4Lists3.1
0.00Emoji0.14
0.03Headings0.93
0.30Transitions0.22
Based on 13 + 22 text responses
Research
What we learned reading every model
FAQ
Common questions
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