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

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Gemini 3.1 Pro vs Mistral Medium 3

2 vs 0 benchmarks won

Google
Gemini 3.1 Pro
Mistral
Mistral Medium 3
Overview
CompanyGoogleMistral
Release dateFeb 19 2026May 7 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
94.3%
Software engineering
SWE-Bench Verified
80.6%
Multimodal understanding
MMMU
Timeline
Release gapMistral Medium 3 shipped 288 days before Gemini 3.1 Pro

Which is better: Gemini 3.1 Pro or Mistral Medium 3?

Gemini 3.1 Pro leads Mistral Medium 3 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mistral Medium 3 shipped 288 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 3.1 Pro released?
Gemini 3.1 Pro was released by Google on Feb 19 2026.
When was Mistral Medium 3 released?
Mistral Medium 3 was released by Mistral on May 7 2025.

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