Model Comparison

o3-mini vs o3-pro

Comparing o3-mini and o3-pro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

o3-mini and o3-pro don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

o3-mini costs less

For input processing, o3-mini ($1.10/1M tokens) is 18.2x cheaper than o3-pro ($20.00/1M tokens).

For output processing, o3-mini ($4.40/1M tokens) is 18.2x cheaper than o3-pro ($80.00/1M tokens).

In conclusion, o3-pro is more expensive than o3-mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun May 03 2026 • llm-stats.com
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
OpenAI
o3-pro
Input tokens$20.00
Output tokens$80.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. Both models can generate responses up to 100,000 tokens.

OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
OpenAI
o3-pro
Input200,000 tokens
Output100,000 tokens
Sun May 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

o3-pro supports multimodal inputs, whereas o3-mini does not.

o3-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

o3-mini

Text
Images
Audio
Video

o3-pro

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.

o3-mini

Proprietary

Closed source

o3-pro

Proprietary

Closed source

Release Timeline

When each model was launched

o3-mini was released on 2025-01-30, while o3-pro was released on 2025-06-10.

o3-pro is 4 months newer than o3-mini.

o3-mini

Jan 30, 2025

1.3 years ago

o3-pro

Jun 10, 2025

10 months ago

4mo newer

Knowledge Cutoff

When training data ends

o3-mini has a knowledge cutoff of 2023-09-30, while o3-pro has a cutoff of 2024-05-31.

o3-pro has more recent training data (up to 2024-05-31), making it potentially better informed about events through that date compared to o3-mini (2023-09-30).

o3-mini

Sep 2023

o3-pro

May 2024

8 mo newer

Provider Availability

o3-mini is available from Azure, OpenAI. o3-pro is available from OpenAI.

o3-mini

azure logo
Azure
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

o3-pro

openai logo
OpenAI
Input Price:Input: $20.00/1MOutput Price:Output: $80.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Less expensive input tokens
Less expensive output tokens
OpenAI
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o3-mini
OpenAI
o3-pro

FAQ

Common questions about o3-mini vs o3-pro.

Which is better, o3-mini or o3-pro?

o3-mini (OpenAI) and o3-pro (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does o3-mini compare to o3-pro in benchmarks?

o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

Is o3-mini cheaper than o3-pro?

o3-mini is 18.2x cheaper for input tokens. o3-mini costs $1.10/M input and $4.40/M output via azure. o3-pro costs $20.00/M input and $80.00/M output via openai.

What are the context window sizes for o3-mini and o3-pro?

o3-mini supports 200K tokens and o3-pro supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between o3-mini and o3-pro?

Key differences include input pricing ($1.10 vs $20.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.