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DeepSeek V3.2 Exp vs Gemini 3.1 Pro

0 vs 2 benchmarks won

DeepSeek
DeepSeek V3.2 Exp
Google
Gemini 3.1 Pro
Overview
CompanyDeepSeekGoogle
Release dateSep 29 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 V3.2 Exp shipped 143 days before Gemini 3.1 Pro

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

Gemini 3.1 Pro leads DeepSeek V3.2 Exp on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3.2 Exp shipped 143 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.2 Exp 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 V3.2 Exp released?
DeepSeek V3.2 Exp was released by DeepSeek on Sep 29 2025.
When was Gemini 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
Is DeepSeek V3.2 Exp or Gemini 3.1 Pro open source?
DeepSeek V3.2 Exp 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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