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DeepSeek V3.1 Terminus vs Gemini 2.5 Flash Image

DeepSeek DeepSeek V3.1 Terminus vs Google Gemini 2.5 Flash Image — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
Google
Gemini 2.5 Flash Image
Overview
CompanyDeepSeekGoogle
Release dateSep 22 2025Aug 26 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGemini 2.5 Flash Image shipped 27 days before DeepSeek V3.1 Terminus

Which is better: DeepSeek V3.1 Terminus or Gemini 2.5 Flash Image?

DeepSeek V3.1 Terminus and Gemini 2.5 Flash Image do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Gemini 2.5 Flash Image shipped 27 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 Terminus is an open-source / open-weight model; Gemini 2.5 Flash Image 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 V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Gemini 2.5 Flash Image released?
Gemini 2.5 Flash Image was released by Google on Aug 26 2025.
Is DeepSeek V3.1 Terminus or Gemini 2.5 Flash Image open source?
DeepSeek V3.1 Terminus is an open-source / open-weight model released by DeepSeek. Gemini 2.5 Flash Image is a proprietary model released by Google.

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