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

Mistral Small 3.2 vs GPT-5.4-Pro

Mistral
Mistral Small 3.2
OpenAI
GPT-5.4-Pro
Overview
CompanyMistralOpenAI
Release dateJun 20 2025Mar 5 2026
AccessOpen WeightProprietary
Specifications
Parameters
24B
Benchmarks
Web browsing
BrowseComp
89.3%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
58.7%
Abstract reasoning
ARC-AGI-2
83.3%
Advanced math
FrontierMath · Tier 1–3
50%
Advanced math
FrontierMath · Tier 4
38%
Science
GPQA Diamond
94.4%
Knowledge work
GDPval (win/tie rate)
82%
Timeline
Release gapMistral Small 3.2 shipped 258 days before GPT-5.4-Pro

Which is better: Mistral Small 3.2 or GPT-5.4-Pro?

Mistral Small 3.2 and GPT-5.4-Pro don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.2 shipped 258 days before GPT-5.4-Pro, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.2 is open weight, while GPT-5.4-Pro is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.2 and GPT-5.4-Pro 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.

GPT-5.4-Pro was released by OpenAI on Mar 5 2026.

Mistral Small 3.2 is an open weight model released by Mistral. GPT-5.4-Pro is a proprietary model released by OpenAI.

Other comparisons