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DeepSeek Coder vs Gemini 3.1 Pro

0 vs 2 benchmarks won

DeepSeek
DeepSeek Coder
Google
Gemini 3.1 Pro
Overview
CompanyDeepSeekGoogle
Release dateNov 2 2023Feb 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 Coder shipped 840 days before Gemini 3.1 Pro

Which is better: DeepSeek Coder or Gemini 3.1 Pro?

Gemini 3.1 Pro leads DeepSeek Coder on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek Coder shipped 840 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder 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 Coder released?
DeepSeek Coder was released by DeepSeek on Nov 2 2023.
When was Gemini 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
Is DeepSeek Coder or Gemini 3.1 Pro open source?
DeepSeek Coder 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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