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

Mixtral 8×7B vs GPT-5.4 mini

Mistral
Mixtral 8×7B
OpenAI
GPT-5.4 mini
Overview
CompanyMistralOpenAI
Release dateDec 8 2023Mar 17 2026
AccessOpen WeightProprietary
Specifications
Context window
400k
Benchmarks
Nonsense detection
BullshitBench v2
32%
Timeline
Release gapMixtral 8×7B shipped 830 days before GPT-5.4 mini

Which is better: Mixtral 8×7B or GPT-5.4 mini?

Mixtral 8×7B and GPT-5.4 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 830 days before GPT-5.4 mini, so benchmark comparisons should account for the intervening progress.

Mixtral 8×7B is open weight, while GPT-5.4 mini is proprietary.

Direct benchmark comparisons are unavailable — Mixtral 8×7B and GPT-5.4 mini don't publish scores on any of the same benchmarks.

Frequently asked questions

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

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

Mixtral 8×7B is an open weight model released by Mistral. GPT-5.4 mini is a proprietary model released by OpenAI.

Other comparisons