GPT-5 vs Kimi K2 Thinking
Compare GPT-5 by OpenAI against Kimi K2 Thinking by Moonshot AI, in 10 community votes, gpt-5 wins 70% of head-to-head duels, context windows of 400K vs 262K, tested across 51 shared challenges.
Web Design: GPT-5 wins 67% of votes
Image Generation: GPT-5 wins 75% of votes
Our Verdict
GPT-5Winner
Kimi K2 ThinkingRunner-up
Pick GPT-5. In 10 blind votes, GPT-5 wins 70% of the time. That's not luck.
GPT-5 particularly excels in Image Generation, Web Design. Kimi K2 Thinking is 4.0x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
Kimi K2 Thinking
Input
$0.60
2.1× cheaper
Output
$2.50
4.0× cheaper
Kimi K2 Thinking is cheaper on both — 2.1× input, 4.0× output
Writing DNA
Style Comparison
Similarity
44%
Kimi K2 Thinking uses 30.9x more bold
GPT-5
Kimi K2 Thinking
65%Vocabulary57%
13wSentence Length26w
0.20Hedging0.36
0.2Bold5.8
4.6Lists6.0
0.00Emoji0.00
0.16Headings0.56
0.03Transitions0.06
Based on 16 + 14 text responses
Research
What we learned reading every model
FAQ
