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

Mistral Small 3.2 vs o3

Mistral
Mistral Small 3.2
OpenAI
o3
Overview
CompanyMistralOpenAI
Release dateJun 20 2025Apr 16 2025
AccessOpen WeightProprietary
Specifications
Parameters
24B
Benchmarks
Nonsense detection
BullshitBench v2
26%
Timeline
Release gapo3 shipped 65 days before Mistral Small 3.2

Which is better: Mistral Small 3.2 or o3?

Mistral Small 3.2 and o3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o3 shipped 65 days before Mistral Small 3.2, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.2 is open weight, while o3 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.2 and o3 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Small 3.2 was released by Mistral on Jun 20 2025.

o3 was released by OpenAI on Apr 16 2025.

Mistral Small 3.2 is an open weight model released by Mistral. o3 is a proprietary model released by OpenAI.

Other comparisons