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

Ministral 3 8B-25-12 vs o1-pro

Mistral
Ministral 3 8B-25-12
OpenAI
o1-pro
Overview
CompanyMistralOpenAI
Release dateDec 2 2025Mar 19 2025
AccessOpen WeightProprietary
Timeline
Release gapo1-pro shipped 258 days before Ministral 3 8B-25-12

Which is better: Ministral 3 8B-25-12 or o1-pro?

Ministral 3 8B-25-12 and o1-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-pro shipped 258 days before Ministral 3 8B-25-12, so benchmark comparisons should account for the intervening progress.

Ministral 3 8B-25-12 is open weight, while o1-pro is proprietary.

Direct benchmark comparisons are unavailable — Ministral 3 8B-25-12 and o1-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

Ministral 3 8B-25-12 was released by Mistral on Dec 2 2025.

o1-pro was released by OpenAI on Mar 19 2025.

Ministral 3 8B-25-12 is an open weight model released by Mistral. o1-pro is a proprietary model released by OpenAI.

Other comparisons