Model Comparison

GPT-5.2 Pro vs Mistral Large 3 (675B Instruct 2512 Eagle)

GPT-5.2 Pro significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-5.2 Pro outperforms in 1 benchmarks (GPQA), while Mistral Large 3 (675B Instruct 2512 Eagle) is better at 0 benchmarks.

GPT-5.2 Pro significantly outperforms across most benchmarks.

Thu Jun 04 2026 • llm-stats.com

Arena Performance

Human preference votes

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).

OpenAI
GPT-5.2 Pro
Input400,000 tokens
Output128,000 tokens
Mistral AI
Mistral Large 3 (675B Instruct 2512 Eagle)
Input- tokens
Output- tokens
Thu Jun 04 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.2 Pro and Mistral Large 3 (675B Instruct 2512 Eagle) support multimodal inputs.

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

GPT-5.2 Pro

Text
Images
Audio
Video

Mistral Large 3 (675B Instruct 2512 Eagle)

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.2 Pro is licensed under a proprietary license, while Mistral Large 3 (675B Instruct 2512 Eagle) uses Apache 2.0.

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

GPT-5.2 Pro

Proprietary

Closed source

Mistral Large 3 (675B Instruct 2512 Eagle)

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.2 Pro was released on 2025-12-11, while Mistral Large 3 (675B Instruct 2512 Eagle) was released on 2025-12-04.

GPT-5.2 Pro is 0 month newer than Mistral Large 3 (675B Instruct 2512 Eagle).

GPT-5.2 Pro

Dec 11, 2025

5 months ago

1w newer
Mistral Large 3 (675B Instruct 2512 Eagle)

Dec 4, 2025

6 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

OpenAI
Larger context window (400,000 tokens)
Higher GPQA score (93.2% vs 43.9%)
Mistral AI
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2 Pro
Mistral AI
Mistral Large 3 (675B Instruct 2512 Eagle)

FAQ

Common questions about GPT-5.2 Pro vs Mistral Large 3 (675B Instruct 2512 Eagle).

Which is better, GPT-5.2 Pro or Mistral Large 3 (675B Instruct 2512 Eagle)?

GPT-5.2 Pro significantly outperforms across most benchmarks. GPT-5.2 Pro is made by OpenAI and Mistral Large 3 (675B Instruct 2512 Eagle) is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.2 Pro compare to Mistral Large 3 (675B Instruct 2512 Eagle) in benchmarks?

GPT-5.2 Pro scores AIME 2025: 100.0%, HMMT 2025: 100.0%, GPQA: 93.2%, ARC-AGI: 90.5%, BrowseComp: 77.9%. Mistral Large 3 (675B Instruct 2512 Eagle) scores MMMLU: 85.5%, AMC_2022_23: 52.0%, GPQA: 43.9%, LiveCodeBench: 34.4%, SimpleQA: 23.8%.

What are the context window sizes for GPT-5.2 Pro and Mistral Large 3 (675B Instruct 2512 Eagle)?

GPT-5.2 Pro supports 400K tokens and Mistral Large 3 (675B Instruct 2512 Eagle) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.2 Pro and Mistral Large 3 (675B Instruct 2512 Eagle)?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.2 Pro and Mistral Large 3 (675B Instruct 2512 Eagle)?

GPT-5.2 Pro is developed by OpenAI and Mistral Large 3 (675B Instruct 2512 Eagle) is developed by Mistral AI.