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DeepSeek V3 Base vs Gemini 3.0 Flash

0 vs 2 benchmarks won

DeepSeek
DeepSeek V3 Base
Google
Gemini 3.0 Flash
Overview
CompanyDeepSeekGoogle
Release dateDec 2024Dec 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
90.4%
Software engineering
SWE-Bench Verified
78%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3 Base shipped 381 days before Gemini 3.0 Flash

Which is better: DeepSeek V3 Base or Gemini 3.0 Flash?

Gemini 3.0 Flash leads DeepSeek V3 Base on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3 Base shipped 381 days before Gemini 3.0 Flash, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Base is an open-source / open-weight model; Gemini 3.0 Flash 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 Base released?
DeepSeek V3 Base was released by DeepSeek on Dec 2024.
When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.
Is DeepSeek V3 Base or Gemini 3.0 Flash open source?
DeepSeek V3 Base is an open-source / open-weight model released by DeepSeek. Gemini 3.0 Flash is a proprietary model released by Google.

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