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

Home/Compare/DeepSeek V3.1 Terminus vs Gemini Omni

DeepSeek V3.1 Terminus vs Gemini Omni

DeepSeek DeepSeek V3.1 Terminus vs Google Gemini Omni — side-by-side specs.

DeepSeek
DeepSeek V3.1 Terminus
Google
Gemini Omni
Overview
CompanyDeepSeekGoogle
Release dateSep 22 2025May 19 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek V3.1 Terminus shipped 239 days before Gemini Omni

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

DeepSeek V3.1 Terminus and Gemini Omni do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek V3.1 Terminus shipped 239 days before Gemini Omni, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 Terminus is an open-source / open-weight model; Gemini Omni 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 Omni released?
Gemini Omni was released by Google on May 19 2026.
Is DeepSeek V3.1 Terminus or Gemini Omni open source?
DeepSeek V3.1 Terminus is an open-source / open-weight model released by DeepSeek. Gemini Omni is a proprietary model released by Google.

Other comparisons