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

Pixtral 24.09 vs o4-mini

Mistral
Pixtral 24.09
OpenAI
o4-mini
Overview
CompanyMistralOpenAI
Release dateSep 2024Apr 16 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapPixtral 24.09 shipped 227 days before o4-mini

Which is better: Pixtral 24.09 or o4-mini?

Pixtral 24.09 and o4-mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Pixtral 24.09 shipped 227 days before o4-mini, so benchmark comparisons should account for the intervening progress.

Pixtral 24.09 is open weight, while o4-mini is proprietary.

Direct benchmark comparisons are unavailable — Pixtral 24.09 and o4-mini don't publish scores on any of the same benchmarks.

Frequently asked questions

Pixtral 24.09 was released by Mistral on Sep 2024.

o4-mini was released by OpenAI on Apr 16 2025.

Pixtral 24.09 is an open weight model released by Mistral. o4-mini is a proprietary model released by OpenAI.

Other comparisons