AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/DeepSeek V3.1 Terminus vs Gemini 3.0 Flash

DeepSeek V3.1 Terminus vs Gemini 3.0 Flash

0 vs 2 benchmarks won

DeepSeek
DeepSeek V3.1 Terminus
Google
Gemini 3.0 Flash
Overview
CompanyDeepSeekGoogle
Release dateSep 22 2025Dec 17 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
90.4%
Software engineering
SWE-Bench Verified
78%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 Terminus shipped 86 days before Gemini 3.0 Flash

Which is better: DeepSeek V3.1 Terminus or Gemini 3.0 Flash?

Gemini 3.0 Flash leads DeepSeek V3.1 Terminus on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek V3.1 Terminus shipped 86 days before Gemini 3.0 Flash, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 Terminus is an open-source / open-weight model; Gemini 3.0 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 V3.1 Terminus released?
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
When was Gemini 3.0 Flash released?
Gemini 3.0 Flash was released by Google on Dec 17 2025.
Is DeepSeek V3.1 Terminus or Gemini 3.0 Flash open source?
DeepSeek V3.1 Terminus is an open-source / open-weight model released by DeepSeek. Gemini 3.0 Flash is a proprietary model released by Google.

Other comparisons