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DeepSeek R1-0528 vs Gemini 3.1 Pro

0 vs 2 benchmarks won

DeepSeek
DeepSeek R1-0528
Google
Gemini 3.1 Pro
Overview
CompanyDeepSeekGoogle
Release dateMay 28 2025Feb 19 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.3%
Software engineering
SWE-Bench Verified
80.6%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek R1-0528 shipped 267 days before Gemini 3.1 Pro

Which is better: DeepSeek R1-0528 or Gemini 3.1 Pro?

Gemini 3.1 Pro leads DeepSeek R1-0528 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek R1-0528 shipped 267 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek R1-0528 is an open-source / open-weight model; Gemini 3.1 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 Gemini 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
Is DeepSeek R1-0528 or Gemini 3.1 Pro open source?
DeepSeek R1-0528 is an open-source / open-weight model released by DeepSeek. Gemini 3.1 Pro is a proprietary model released by Google.

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