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

Mixtral 8×7B vs o1-pro

Mistral
Mixtral 8×7B
OpenAI
o1-pro
Overview
CompanyMistralOpenAI
Release dateDec 8 2023Mar 19 2025
AccessOpen WeightProprietary
Timeline
Release gapMixtral 8×7B shipped 467 days before o1-pro

Which is better: Mixtral 8×7B or o1-pro?

Mixtral 8×7B and o1-pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 467 days before o1-pro, so benchmark comparisons should account for the intervening progress.

Mixtral 8×7B is open weight, while o1-pro is proprietary.

Direct benchmark comparisons are unavailable — Mixtral 8×7B and o1-pro don't publish scores on any of the same benchmarks.

Frequently asked questions

Mixtral 8×7B was released by Mistral on Dec 8 2023.

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

Mixtral 8×7B is an open weight model released by Mistral. o1-pro is a proprietary model released by OpenAI.

Other comparisons