Gemini 2.5 Flash Preview (thinking) vs Kimi K2 Thinking
Compare Gemini 2.5 Flash Preview (thinking) by Google AI against Kimi K2 Thinking by Moonshot AI, context windows of 1.0M vs 262K, tested across 20 shared challenges.
Our Verdict
Gemini 2.5 Flash Preview (thinking)
Kimi K2 Thinking
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 (thinking)
Input
$0.17
3.4× cheaper
Output
$3.50
Kimi K2 Thinking
Input
$0.60
Output
$2.50
1.4× cheaper
Gemini 2.5 Flash Preview (thinking) wins input (3.4× cheaper)·Kimi K2 Thinking wins output (1.4× cheaper)
Writing DNA
Style Comparison
Similarity
31%
Kimi K2 Thinking uses 56.4x more headings
Gemini 2.5 Flash Preview (thinking)
Kimi K2 Thinking
53%Vocabulary57%
14wSentence Length26w
0.38Hedging0.36
4.4Bold5.8
4.1Lists6.0
0.00Emoji0.00
0.00Headings0.56
0.24Transitions0.06
Based on 7 + 14 text responses
Research
What we learned reading every model
FAQ
