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DeepSeek V3.2 Exp vs Gemini 3.1 Flash

DeepSeek DeepSeek V3.2 Exp vs Google Gemini 3.1 Flash — side-by-side specs.

DeepSeek
DeepSeek V3.2 Exp
Google
Gemini 3.1 Flash
Overview
CompanyDeepSeekGoogle
Release dateSep 29 2025Feb 26 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 V3.2 Exp shipped 150 days before Gemini 3.1 Flash

Which is better: DeepSeek V3.2 Exp or Gemini 3.1 Flash?

DeepSeek V3.2 Exp and Gemini 3.1 Flash do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.2 Exp shipped 150 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.2 Exp is an open-source / open-weight model; Gemini 3.1 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 V3.2 Exp released?
DeepSeek V3.2 Exp was released by DeepSeek on Sep 29 2025.
When was Gemini 3.1 Flash released?
Gemini 3.1 Flash was released by Google on Feb 26 2026.
Is DeepSeek V3.2 Exp or Gemini 3.1 Flash open source?
DeepSeek V3.2 Exp is an open-source / open-weight model released by DeepSeek. Gemini 3.1 Flash is a proprietary model released by Google.

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