Gemini 2.0 Flash Thinking vs Gemini 2.5 Flash Preview (thinking)
Compare Gemini 2.0 Flash Thinking and Gemini 2.5 Flash Preview (thinking), both from Google AI, in 2 community votes, gemini 2.5 flash preview (thinking) wins 100% of head-to-head duels, context windows of 500K vs 1.0M, tested across 12 shared challenges.
Our Verdict
Gemini 2.5 Flash Preview (thinking)Winner
Gemini 2.0 Flash ThinkingRunner-up
Pick Gemini 2.5 Flash Preview (thinking). In 2 blind votes, Gemini 2.5 Flash Preview (thinking) wins 100% of the time. That's not luck.
Gemini 2.0 Flash Thinking is 7.0x cheaper per token — worth considering if cost matters.
Clear winner
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
79%
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
What we learned reading every model
FAQ
