Gemini 2.0 Flash Thinking vs Gemini 2.5 Pro Preview 06-05
Compare Gemini 2.0 Flash Thinking and Gemini 2.5 Pro Preview 06-05, both from Google AI, context windows of 500K vs 1.0M, tested across 16 shared challenges.
Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.0 Flash ThinkingRunner-up
No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, newer, bigger context window.
Gemini 2.0 Flash Thinking is 20x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
5.0× cheaper
Output
$0.50
20× cheaper
Gemini 2.5 Pro Preview 06-05
Input
$1.25
Output
$10.00
Gemini 2.0 Flash Thinking is cheaper on both — 5.0× input, 20× output
Writing DNA
Style Comparison
Similarity
63%
Gemini 2.5 Pro Preview 06-05 uses 29.3x more headings
Gemini 2.0 Flash Thinking
Gemini 2.5 Pro Preview 06-05
54%Vocabulary51%
15wSentence Length15w
0.64Hedging0.31
3.8Bold4.8
2.4Lists4.1
0.00Emoji0.00
0.03Headings0.98
0.30Transitions0.05
Based on 13 + 20 text responses
Research
What we learned reading every model
FAQ
