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

Mathstral 7B vs Grok 4.20 Beta

Mistral
Mathstral 7B
xAI
Grok 4.20 Beta
Overview
CompanyMistralxAI
Release dateJul 16 2024Feb 17 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapMathstral 7B shipped 581 days before Grok 4.20 Beta

Which is better: Mathstral 7B or Grok 4.20 Beta?

Mathstral 7B and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 581 days before Grok 4.20 Beta, so benchmark comparisons should account for the intervening progress.

Mathstral 7B is an open-source / open-weight model; Grok 4.20 Beta is proprietary.

Direct benchmark comparisons are unavailable — Mathstral 7B and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.
Is Mathstral 7B or Grok 4.20 Beta open source?
Mathstral 7B is an open-source / open-weight model released by Mistral. Grok 4.20 Beta is a proprietary model released by xAI.

Other comparisons