GPT-5 vs Kimi K2.6
Compare GPT-5 by OpenAI against Kimi K2.6 by Moonshot AI, context windows of 400K vs 262K, tested across 51 shared challenges.
Our Verdict
GPT-5
Kimi K2.6Runner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
Kimi K2.6
Input
$0.95
1.3× cheaper
Output
$4.00
2.5× cheaper
Kimi K2.6 is cheaper on both — 1.3× input, 2.5× output
Writing DNA
Style Comparison
Similarity
55%
Kimi K2.6 uses 3.4x more emoji
GPT-5
Kimi K2.6
65%Vocabulary57%
13wSentence Length16w
0.20Hedging0.37
0.2Bold4.3
4.6Lists2.0
0.00Emoji0.03
0.16Headings0.53
0.03Transitions0.16
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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