Gemini 2.5 Flash Preview 05-20 (thinking) vs GPT-5.2
Compare Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI against GPT-5.2 by OpenAI, context windows of 1.0M vs 400K, tested across 12 shared challenges.
Our Verdict
GPT-5.2
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, GPT-5.2 has the edge — bigger model tier, newer.
Gemini 2.5 Flash Preview 05-20 (thinking) is 4.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
12× cheaper
Output
$3.50
4.0× cheaper
GPT-5.2
Input
$1.75
Output
$14.00
Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 12× input, 4.0× output
Writing DNA
Style Comparison
Similarity
47%
GPT-5.2 uses 34.2x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
GPT-5.2
70%Vocabulary64%
11wSentence Length16w
0.00Hedging0.34
4.2Bold9.4
7.3Lists3.9
0.00Emoji0.06
0.00Headings0.89
0.00Transitions0.31
Based on 3 + 15 text responses
Research
What we learned reading every model
FAQ
