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

Mistral Medium vs GLM-4.5

Mistral
Mistral Medium
Z.ai
GLM-4.5
Overview
CompanyMistralZ.ai
Release dateDec 2023Jul 28 2025
AccessProprietaryOpen Weight
Specifications
Parameters
355B
Context window
128k
Benchmarks
Coding
SWE-Bench Verified
64.2%
Science
GPQA Diamond
79.1%
Timeline
Release gapMistral Medium shipped 605 days before GLM-4.5

Which is better: Mistral Medium or GLM-4.5?

Mistral Medium and GLM-4.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 605 days before GLM-4.5, so benchmark comparisons should account for the intervening progress.

Mistral Medium is proprietary, while GLM-4.5 is open weight.

Direct benchmark comparisons are unavailable — Mistral Medium and GLM-4.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Medium was released by Mistral on Dec 2023.

GLM-4.5 was released by Z.ai on Jul 28 2025.

Mistral Medium is a proprietary model released by Mistral. GLM-4.5 is an open weight model released by Z.ai.

Other comparisons