Model Comparison
o3 vs o3-pro
Comparing o3 and o3-pro across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
o3 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
For input processing, o3 ($2.00/1M tokens) is 10.0x cheaper than o3-pro ($20.00/1M tokens).
For output processing, o3 ($8.00/1M tokens) is 10.0x cheaper than o3-pro ($80.00/1M tokens).
In conclusion, o3-pro is more expensive than o3.*
* Using a 3:1 ratio of input to output tokens
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.
Input Capabilities
Supported data types and modalities
Both o3 and o3-pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
o3
o3-pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
o3 was released on 2025-04-16, while o3-pro was released on 2025-06-10.
o3-pro is 2 months newer than o3.
Apr 16, 2025
12 months ago
Jun 10, 2025
10 months ago
1mo newerKnowledge Cutoff
When training data ends
Both models have the same knowledge cutoff date of 2024-05-31.
They should have similar awareness of historical events and information up to this date.
May 2024
May 2024
Provider Availability
o3 is available from OpenAI. o3-pro is available from OpenAI.
o3
o3-pro
Outputs Comparison
Key Takeaways
o3
View detailsOpenAI
o3-pro
View detailsOpenAI
o3o3-proDetailed Comparison
FAQ
Common questions about o3 vs o3-pro