Kimi K2.5 vs GPT-5.2 Pro Comparison

Comparing Kimi K2.5 and GPT-5.2 Pro across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Kimi K2.5 outperforms in 1 benchmarks (Humanity's Last Exam), while GPT-5.2 Pro is better at 4 benchmarks (AIME 2025, BrowseComp, GPQA, HMMT 2025).

GPT-5.2 Pro significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Mar 17 2026 • llm-stats.com
Moonshot AI
Kimi K2.5
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
OpenAI
GPT-5.2 Pro
Input tokens$21.00
Output tokens$168.00
Best providerOpenAI
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Context Window

Maximum input and output token capacity

Only GPT-5.2 Pro specifies input context (400,000 tokens). Only GPT-5.2 Pro specifies output context (128,000 tokens).

Moonshot AI
Kimi K2.5
Input- tokens
Output- tokens
OpenAI
GPT-5.2 Pro
Input400,000 tokens
Output128,000 tokens
Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Kimi K2.5 and GPT-5.2 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Kimi K2.5

Text
Images
Audio
Video

GPT-5.2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.5 is licensed under MIT, while GPT-5.2 Pro uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Kimi K2.5

MIT

Open weights

GPT-5.2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi K2.5 was released on 2026-01-27, while GPT-5.2 Pro was released on 2025-12-11.

Kimi K2.5 is 2 months newer than GPT-5.2 Pro.

Kimi K2.5

Jan 27, 2026

1 months ago

1mo newer
GPT-5.2 Pro

Dec 11, 2025

3 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

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Key Takeaways

Has open weights
Higher Humanity's Last Exam score (50.2% vs 36.6%)
Larger context window (400,000 tokens)
Higher AIME 2025 score (100.0% vs 96.1%)
Higher BrowseComp score (77.9% vs 74.9%)
Higher GPQA score (93.2% vs 87.6%)
Higher HMMT 2025 score (100.0% vs 95.4%)

Detailed Comparison

AI Model Comparison Table
Feature
Moonshot AI
Kimi K2.5
OpenAI
GPT-5.2 Pro