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

Mistral Large 3 vs Grok 4.5

Mistral
Mistral Large 3
SpaceXAI
Grok 4.5
Overview
CompanyMistralSpaceXAI
Release dateDec 2 2025Jul 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 gapMistral Large 3 shipped 218 days before Grok 4.5

Which is better: Mistral Large 3 or Grok 4.5?

Mistral Large 3 and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Large 3 shipped 218 days before Grok 4.5, so benchmark comparisons should account for the intervening progress.

Mistral Large 3 is open weight, while Grok 4.5 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Large 3 and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Large 3 was released by Mistral on Dec 2 2025.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Mistral Large 3 is an open weight model released by Mistral. Grok 4.5 is a proprietary model released by SpaceXAI.

Other comparisons