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

Mistral Small 4 vs GPT-5.4 nano

Mistral
Mistral Small 4
OpenAI
GPT-5.4 nano
Overview
CompanyMistralOpenAI
Release dateMar 16 2026Mar 17 2026
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
14%
Timeline
Release gapMistral Small 4 shipped 1 days before GPT-5.4 nano

Which is better: Mistral Small 4 or GPT-5.4 nano?

Mistral Small 4 and GPT-5.4 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 4 shipped 1 days before GPT-5.4 nano, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Mistral Small 4 and GPT-5.4 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Small 4 was released by Mistral on Mar 16 2026.

GPT-5.4 nano was released by OpenAI on Mar 17 2026.

Other comparisons