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DeepSeek-R1-Lite Preview vs Gemini 3.1 Pro

0 vs 2 benchmarks won

DeepSeek
DeepSeek-R1-Lite Preview
Google
Gemini 3.1 Pro
Overview
CompanyDeepSeekGoogle
Release dateNov 20 2024Feb 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-R1-Lite Preview shipped 456 days before Gemini 3.1 Pro

Which is better: DeepSeek-R1-Lite Preview or Gemini 3.1 Pro?

Gemini 3.1 Pro leads DeepSeek-R1-Lite Preview on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek-R1-Lite Preview shipped 456 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek-R1-Lite Preview 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-R1-Lite Preview released?
DeepSeek-R1-Lite Preview was released by DeepSeek on Nov 20 2024.
When was Gemini 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
Is DeepSeek-R1-Lite Preview or Gemini 3.1 Pro open source?
DeepSeek-R1-Lite Preview 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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