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

Home/Compare/Gemini Omni vs Devstral 2 (123B)

Gemini Omni vs Devstral 2 (123B)

Google Gemini Omni vs Mistral Devstral 2 (123B) — side-by-side specs.

Google
Gemini Omni
Mistral
Devstral 2 (123B)
Overview
CompanyGoogleMistral
Release dateMay 19 2026Dec 9 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDevstral 2 (123B) shipped 161 days before Gemini Omni

Which is better: Gemini Omni or Devstral 2 (123B)?

Gemini Omni and Devstral 2 (123B) do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Devstral 2 (123B) shipped 161 days before Gemini Omni, so benchmark comparisons should account for the intervening progress.

Devstral 2 (123B) 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 Gemini Omni released?
Gemini Omni was released by Google on May 19 2026.
When was Devstral 2 (123B) released?
Devstral 2 (123B) was released by Mistral on Dec 9 2025.
Is Gemini Omni or Devstral 2 (123B) open source?
Devstral 2 (123B) is an open-source / open-weight model released by Mistral. Gemini Omni is a proprietary model released by Google.

Other comparisons