Gemini 2.5 Flash Preview 05-20 (thinking) vs Gemini 2.5 Pro Experimental
Compare Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 2.5 Pro Experimental, both from Google AI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
Gemini 2.5 Flash Preview 05-20 (thinking)
Gemini 2.5 Pro Experimental
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
6.7× cheaper
Output
$3.50
Gemini 2.5 Pro Experimental
Input
$1.00
Output
$2.00
1.8× cheaper
Gemini 2.5 Flash Preview 05-20 (thinking) wins input (6.7× cheaper)·Gemini 2.5 Pro Experimental wins output (1.8× cheaper)
Writing DNA
Style Comparison
Similarity
52%
Gemini 2.5 Pro Experimental uses 34.7x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Gemini 2.5 Pro Experimental
70%Vocabulary54%
11wSentence Length15w
0.00Hedging0.35
4.2Bold5.6
7.3Lists3.9
0.00Emoji0.00
0.00Headings0.39
0.00Transitions0.17
Based on 3 + 18 text responses
Research
What we learned reading every model
FAQ
