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DeepSeek V3.1 vs Gemini Omni

DeepSeek DeepSeek V3.1 vs Google Gemini Omni — side-by-side specs.

DeepSeek
DeepSeek V3.1
Google
Gemini Omni
Overview
CompanyDeepSeekGoogle
Release dateAug 21 2025May 19 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 shipped 271 days before Gemini Omni

Which is better: DeepSeek V3.1 or Gemini Omni?

DeepSeek V3.1 and Gemini Omni do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.1 shipped 271 days before Gemini Omni, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 is an open-source / open-weight model; Gemini Omni 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 V3.1 released?
DeepSeek V3.1 was released by DeepSeek on Aug 21 2025.
When was Gemini Omni released?
Gemini Omni was released by Google on May 19 2026.
Is DeepSeek V3.1 or Gemini Omni open source?
DeepSeek V3.1 is an open-source / open-weight model released by DeepSeek. Gemini Omni is a proprietary model released by Google.

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