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

Home/Compare/Mixtral 8×22B vs GPT-5.1

Mixtral 8×22B vs GPT-5.1

0 vs 3 benchmarks won

Mistral
Mixtral 8×22B
OpenAI
GPT-5.1
Overview
CompanyMistralOpenAI
Release dateApr 10 2024Nov 12 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
88.1%
Software engineering
SWE-Bench Verified
76.3%
Multimodal understanding
MMMU
76%
Timeline
Release gapMixtral 8×22B shipped 581 days before GPT-5.1

Which is better: Mixtral 8×22B or GPT-5.1?

GPT-5.1 leads Mixtral 8×22B on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mixtral 8×22B shipped 581 days before GPT-5.1, so benchmark comparisons should account for the intervening progress.

Mixtral 8×22B is an open-source / open-weight model; GPT-5.1 is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Mixtral 8×22B released?
Mixtral 8×22B was released by Mistral on Apr 10 2024.
When was GPT-5.1 released?
GPT-5.1 was released by OpenAI on Nov 12 2025.
Is Mixtral 8×22B or GPT-5.1 open source?
Mixtral 8×22B is an open-source / open-weight model released by Mistral. GPT-5.1 is a proprietary model released by OpenAI.

Other comparisons