DeepSeek-R1 vs o1-pro
Comparing DeepSeek-R1 and o1-pro across benchmarks, pricing, and capabilities.
DeepSeek · OpenAI · Updated for 2026
Which is better?
DeepSeek-R1 and o1-pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Based on current benchmark, pricing, and model metadata for 2026.
Choose DeepSeek-R1
- you want the most recent training data — it shipped Jan 2025
- you need open weights you can self-host or fine-tune
Choose o1-pro
- you are already invested in the OpenAI ecosystem
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-R1 and o1-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Context Window
Maximum input and output token capacity
Only DeepSeek-R1 specifies input context (131,072 tokens). Only DeepSeek-R1 specifies output context (131,072 tokens).
Input Capabilities
Supported data types and modalities
o1-pro supports multimodal inputs, whereas DeepSeek-R1 does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-R1
o1-pro
License
Usage and distribution terms
DeepSeek-R1 is licensed under MIT, while o1-pro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek-R1 was released on 2025-01-20, while o1-pro was released on 2024-12-17.
DeepSeek-R1 is 1 month newer than o1-pro.
Jan 20, 2025
1.6 years ago
1mo newerDec 17, 2024
1.7 years ago
Knowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while DeepSeek-R1's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without DeepSeek-R1's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-R1 and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-R1 vs o1-pro.