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

Mistral 7B vs GPT-4.1 nano

Mistral
Mistral 7B
OpenAI
GPT-4.1 nano
Overview
CompanyMistralOpenAI
Release dateSep 27 2023Apr 14 2025
AccessOpen WeightProprietary
Specifications
Context window
1M
Timeline
Release gapMistral 7B shipped 565 days before GPT-4.1 nano

Which is better: Mistral 7B or GPT-4.1 nano?

Mistral 7B and GPT-4.1 nano don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral 7B shipped 565 days before GPT-4.1 nano, so benchmark comparisons should account for the intervening progress.

Mistral 7B is open weight, while GPT-4.1 nano is proprietary.

Direct benchmark comparisons are unavailable — Mistral 7B and GPT-4.1 nano don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral 7B was released by Mistral on Sep 27 2023.

GPT-4.1 nano was released by OpenAI on Apr 14 2025.

Mistral 7B is an open weight model released by Mistral. GPT-4.1 nano is a proprietary model released by OpenAI.

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