Gemini 2.0 Flash ThinkingvsGemini 2.5 Flash Preview (thinking)
Gemini 2.5 Flash Preview (thinking) is cheaper than Gemini 2.0 Flash Thinking at $0.175/M vs $0.25/M input tokens.
| Spec | Gemini 2.0 Flash Thinking | Gemini 2.5 Flash Preview (thinking) |
|---|---|---|
| Input price | $0.25/M tokens | $0.175/M tokens |
| Output price | $0.5/M tokens | $3.5/M tokens |
| Context window | 500K tokens | 1.0M tokens |
| Free API (OpenRouter) | No | No |
| Released | Dec 2024 | Apr 2025 |
Our Verdict
Gemini 2.0 Flash Thinking
Gemini 2.5 Flash Preview (thinking)
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.0 Flash Thinking costs 7.0x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
Output
$0.50
7.0× cheaper
Gemini 2.5 Flash Preview (thinking)
Input
$0.17
1.4× cheaper
Output
$3.50
Gemini 2.5 Flash Preview (thinking) wins input (1.4× cheaper)·Gemini 2.0 Flash Thinking wins output (7.0× cheaper)
Writing DNA
Style Comparison
Similarity
78%
Gemini 2.0 Flash Thinking uses 3.3x more headings
Gemini 2.0 Flash Thinking
Gemini 2.5 Flash Preview (thinking)
54%Vocabulary53%
15wSentence Length14w
0.64Hedging0.38
3.8Bold4.4
2.4Lists4.1
0.00Emoji0.00
0.03Headings0.00
0.30Transitions0.24
Based on 13 + 7 text responses
Research
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FAQ
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