GPT-5.2 vs Kimi K2

Compare GPT-5.2 by OpenAI against Kimi K2 by Moonshot AI, tested across 35 shared challenges. Updated April 2026.

Which is better, GPT-5.2 or Kimi K2?

GPT-5.2 and Kimi K2 are both competitive models. GPT-5.2 costs $1.75/M input tokens vs $0.57/M for Kimi K2. Compare their real outputs side by side below.

Key Differences Between GPT-5.2 and Kimi K2

GPT-5.2 is made by openai while Kimi K2 is from moonshotai. On pricing, GPT-5.2 costs $1.75/M input tokens vs $0.57/M for Kimi K2.

Our Verdict
GPT-5.2
GPT-5.2
Kimi K2
Kimi K2Runner-up

No community votes yet. On paper, GPT-5.2 has the edge — newer, bigger context window, major provider backing.

Kimi K2 is 6.1x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
87%

Kimi K2 uses 11.7x more emoji

GPT-5.2
Kimi K2
64%Vocabulary63%
16wSentence Length19w
0.34Hedging0.35
9.4Bold4.2
3.9Lists3.6
0.06Emoji0.68
0.89Headings0.61
0.31Transitions0.06
Based on 15 + 22 text responses
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GPT-5.2Kimi K2

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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