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

Mistral Small 3.2 vs Grok 4.5

Mistral
Mistral Small 3.2
SpaceXAI
Grok 4.5
Overview
CompanyMistralSpaceXAI
Release dateJun 20 2025Jul 8 2026
AccessOpen WeightProprietary
Specifications
Parameters
24B
Benchmarks
Agentic coding
SWE-Bench Pro
64.7%
Multilingual coding
SWE-Bench Multilingual
78%
Agentic coding
DeepSWE 1.0
62%
Next.js coding
Next.js Evals
83%
Agentic terminal coding
Terminal-Bench 2.1
83.3%
Agentic legal work
Harvey's Legal Agent Benchmark
12.92%
Medical admin work
MedScribe
86.88%
Community preference (code)
Arena Elo (Code)
1566
Timeline
Release gapMistral Small 3.2 shipped 383 days before Grok 4.5

Which is better: Mistral Small 3.2 or Grok 4.5?

Mistral Small 3.2 and Grok 4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.2 shipped 383 days before Grok 4.5, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.2 is open weight, while Grok 4.5 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.2 and Grok 4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Small 3.2 was released by Mistral on Jun 20 2025.

Grok 4.5 was released by SpaceXAI on Jul 8 2026.

Mistral Small 3.2 is an open weight model released by Mistral. Grok 4.5 is a proprietary model released by SpaceXAI.

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