Model Comparison

o1-pro vs o4-miniWhich is better in 2026?

o4-mini significantly outperforms across most benchmarks.

Verdict: o1-pro vs o4-mini — which is better?

o1-pro (by OpenAI) and o4-mini (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

o1-pro outperforms in 0 benchmarks, while o4-mini is better at 2 benchmarks (AIME 2024, GPQA). o4-mini significantly outperforms across most benchmarks.

Choose o1-pro if…

  • you are already invested in the OpenAI ecosystem

Choose o4-mini if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

o1-pro outperforms in 0 benchmarks, while o4-mini is better at 2 benchmarks (AIME 2024, GPQA).

o4-mini significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only o4-mini specifies input context (200,000 tokens). Only o4-mini specifies output context (100,000 tokens).

OpenAI
o1-pro
Input- tokens
Output- tokens
OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both o1-pro and o4-mini support multimodal inputs.

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

o1-pro

Text
Images
Audio
Video

o4-mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

o1-pro

Proprietary

Closed source

o4-mini

Proprietary

Closed source

Release Timeline

When each model was launched

o1-pro was released on 2024-12-17, while o4-mini was released on 2025-04-16.

o4-mini is 4 months newer than o1-pro.

o1-pro

Dec 17, 2024

1.5 years ago

o4-mini

Apr 16, 2025

1.1 years ago

4mo newer

Knowledge Cutoff

When training data ends

o1-pro has a knowledge cutoff of 2023-09-30, while o4-mini has a cutoff of 2024-05-31.

o4-mini has more recent training data (up to 2024-05-31), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).

o1-pro

Sep 2023

o4-mini

May 2024

8 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI

No standout differentiators in the data we have for this pair.

OpenAI
Larger context window (200,000 tokens)
Higher AIME 2024 score (93.4% vs 86.0%)
Higher GPQA score (81.4% vs 79.0%)
OpenAIo1-pro
OpenAIo4-mini
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o1-pro
OpenAI
o4-mini

FAQ

Common questions about o1-pro vs o4-mini.

Which is better, o1-pro or o4-mini?

o4-mini significantly outperforms across most benchmarks. o1-pro is made by OpenAI and o4-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does o1-pro compare to o4-mini in benchmarks?

o1-pro scores AIME 2024: 86.0%, GPQA: 79.0%. o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%.

What are the context window sizes for o1-pro and o4-mini?

o1-pro supports an unknown number of tokens and o4-mini supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

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