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

Mathstral 7B vs Grok 4.5

Mistral
Mathstral 7B
SpaceXAI
Grok 4.5
Overview
CompanyMistralSpaceXAI
Release dateJul 16 2024Jul 8 2026
AccessOpen WeightProprietary
Benchmarks
Agentic coding
SWE-Bench Pro
64.7%
Multilingual coding
SWE-Bench Multilingual
78%
Agentic coding
DeepSWE 1.0
62%
Agentic terminal coding
Terminal-Bench 2.1
83.3%
Timeline
Release gapMathstral 7B shipped 722 days before Grok 4.5

Which is better: Mathstral 7B or Grok 4.5?

Mathstral 7B and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 722 days before Grok 4.5, so benchmark comparisons should account for the intervening progress.

Mathstral 7B is open weight, while Grok 4.5 is proprietary.

Direct benchmark comparisons are unavailable — Mathstral 7B and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mathstral 7B was released by Mistral on Jul 16 2024.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Mathstral 7B is an open weight model released by Mistral. Grok 4.5 is a proprietary model released by SpaceXAI.

Other comparisons