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

Ministral 3B vs Grok 4.20 Beta

Mistral
Ministral 3B
xAI
Grok 4.20 Beta
Overview
CompanyMistralxAI
Release dateOct 2024Feb 17 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMinistral 3B shipped 504 days before Grok 4.20 Beta

Which is better: Ministral 3B or Grok 4.20 Beta?

Ministral 3B and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 3B shipped 504 days before Grok 4.20 Beta, so benchmark comparisons should account for the intervening progress.

Ministral 3B is an open-source / open-weight model; Grok 4.20 Beta is proprietary.

Direct benchmark comparisons are unavailable — Ministral 3B and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Ministral 3B released?
Ministral 3B was released by Mistral on Oct 2024.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.
Is Ministral 3B or Grok 4.20 Beta open source?
Ministral 3B is an open-source / open-weight model released by Mistral. Grok 4.20 Beta is a proprietary model released by xAI.

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