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

Mistral Medium 3.5 vs GLM-4.5-Air

Mistral
Mistral Medium 3.5
Z.ai
GLM-4.5-Air
Overview
CompanyMistralZ.ai
Release dateApr 29 2026Jul 28 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
128B
106B
Context window
256k
Benchmarks
Coding
SWE-Bench Verified
77.6%Best
59.8%
Timeline
Release gapGLM-4.5-Air shipped 275 days before Mistral Medium 3.5

Which is better: Mistral Medium 3.5 or GLM-4.5-Air?

Mistral Medium 3.5 leads GLM-4.5-Air on 1 of the 1 benchmark they both report (SWE-Bench Verified). GLM-4.5-Air shipped 275 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Mistral Medium 3.5 has 128B parameters, while GLM-4.5-Air has 106B.

On SWE-Bench Verified, Mistral Medium 3.5 leads at 77.6% vs GLM-4.5-Air at 59.8%.

Frequently asked questions

Mistral Medium 3.5 was released by Mistral on Apr 29 2026.

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

Mistral Medium 3.5 leads on SWE-Bench Verified — Mistral Medium 3.5 77.6% vs GLM-4.5-Air 59.8%.

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