Gemini 2.5 Flash Preview 05-20 (thinking) vs Kimi K3
Compare Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI against Kimi K3 by Moonshot AI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
Kimi K3
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, Kimi K3 has the edge — bigger model tier, newer.
Gemini 2.5 Flash Preview 05-20 (thinking) is 4.3x 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
20× cheaper
Output
$3.50
4.3× cheaper
Kimi K3
Input
$3.00
Output
$15.00
Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 20× input, 4.3× output
Writing DNA
Style Comparison
Similarity
53%
Kimi K3 uses 46.3x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Kimi K3
70%Vocabulary58%
11wSentence Length21w
0.00Hedging0.46
4.2Bold3.6
7.3Lists3.4
0.00Emoji0.78
0.00Headings0.89
0.00Transitions0.17
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
