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DeepSeek R1-0528 vs o1-pro

DeepSeek DeepSeek R1-0528 vs OpenAI o1-pro — side-by-side specs.

DeepSeek
DeepSeek R1-0528
OpenAI
o1-pro
Overview
CompanyDeepSeekOpenAI
Release dateMay 28 2025Mar 19 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapo1-pro shipped 70 days before DeepSeek R1-0528

Which is better: DeepSeek R1-0528 or o1-pro?

DeepSeek R1-0528 and o1-pro do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. o1-pro shipped 70 days before DeepSeek R1-0528, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is an open-source / open-weight model; o1-pro is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was DeepSeek R1-0528 released?
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
When was o1-pro released?
o1-pro was released by OpenAI on Mar 19 2025.
Is DeepSeek R1-0528 or o1-pro open source?
DeepSeek R1-0528 is an open-source / open-weight model released by DeepSeek. o1-pro is a proprietary model released by OpenAI.

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