DeepSeek-R1-0528 vs o1-pro
DeepSeek-R1-0528 significantly outperforms across most benchmarks.
DeepSeek · OpenAI · Updated for 2026
Which is better?
DeepSeek-R1-0528 outperforms in 2 benchmarks (AIME 2024, GPQA), while o1-pro is better at 0 benchmarks. DeepSeek-R1-0528 significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose DeepSeek-R1-0528
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you want the most recent training data — it shipped May 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-R1-0528 outperforms in 2 benchmarks (AIME 2024, GPQA), while o1-pro is better at 0 benchmarks.
DeepSeek-R1-0528 significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Context Window
Maximum input and output token capacity
Only DeepSeek-R1-0528 specifies input context (131,072 tokens). Only DeepSeek-R1-0528 specifies output context (131,072 tokens).
Input Capabilities
Supported data types and modalities
o1-pro supports multimodal inputs, whereas DeepSeek-R1-0528 does not.
o1-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-R1-0528
o1-pro
License
Usage and distribution terms
DeepSeek-R1-0528 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-R1-0528 was released on 2025-05-28, while o1-pro was released on 2024-12-17.
DeepSeek-R1-0528 is 5 months newer than o1-pro.
May 28, 2025
1.2 years ago
5mo 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-R1-0528'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-R1-0528's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-R1-0528 and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-R1-0528 vs o1-pro.