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GPT-5.2 vs Kimi K2.5

Head to head on 29 shared benchmarks, with price, context window, and release dates.

Benchmark scores

51

evals · sort by any column, ⤢ to expand fullscreen

Model
Kimi K2.5

Moonshot AI

96.168.3%39.0%1576elo74.927.9%78.9%13.2%43.7%78.5%72.5%77.9%61.4%57.4%77.7%84.9%76.0%62.0%39.3%76.4%66.5%49.9%39.6%67.3%70.8%74.2%18.9%17.5%81.3%------35.8%-95.4-10421--87.1--63.3%--7369.426.3%56.8%
GPT-5.2

OpenAI

10065.9%60.0%1699elo71.640.7%71.2%8.0%47.4%79.0%78.7%76.1%78.2%61.8%79.8%93.2%83.2%72.0%49.7%84.4%67.1%49.3%40.4%66.7%71.8%75.8%31.8%53.5%46.5%51.0%100.0%0.0%16.7%40.6%9.4%-12.93-85.0%-66.9%24.0%-81.4%96.7-18.7%15.0%---56.3%
2 / 2 models
AttributeGPT-5.2

OpenAI

Kimi K2.5

Moonshot AI

DescriptionGPT-5.2 is an AI model from OpenAI.Kimi K2.5 is an AI model from Kimi.
FamilyGPTKimi
Params--
Open weightsclosedclosed
LicenseproprietaryModified MIT
Released11 Dec 202527 Jan 2026
Context400,000262,144
Input $/1M$1.75$0.60
Output $/1M$14.00$3.00
Cache read $/1M$0.175$0.100
Cache write $/1M--
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiesfile, image, texttext, image
Providers--
PublisherOpenAIMoonshot AI
Reported scores

FAQ

Is GPT-5.2 or Kimi K2.5 better?
Across the 29 benchmarks both models report on Sophon, GPT-5.2 leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do GPT-5.2 and Kimi K2.5 compare on GPQA Diamond?
GPT-5.2 scores 71.2% and Kimi K2.5 scores 78.9% on GPQA Diamond.
Which is cheaper, GPT-5.2 or Kimi K2.5?
Kimi K2.5 is cheaper at $3.00 per million output tokens against $14.00 for GPT-5.2 - about 4.7x.
When were GPT-5.2 and Kimi K2.5 released?
GPT-5.2 was released 11 Dec 2025 by OpenAI. Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.

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