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

Mistral Medium 3.5 vs GLM-5.2

Mistral
Mistral Medium 3.5
Z.ai
GLM-5.2
Overview
CompanyMistralZ.ai
Release dateApr 29 2026Jun 16 2026
AccessOpen WeightOpen Weight
Specifications
Parameters
128B
744B
Context window
256k
1M
Benchmarks
Agentic coding
SWE-Bench Pro
62.1%
Coding
SWE-Bench Verified
77.6%
Agentic terminal coding
Terminal-Bench 2.1
81%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.5%
Science
GPQA Diamond
91.2%
Timeline
Release gapMistral Medium 3.5 shipped 48 days before GLM-5.2

Which is better: Mistral Medium 3.5 or GLM-5.2?

Mistral Medium 3.5 and GLM-5.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium 3.5 shipped 48 days before GLM-5.2, so benchmark comparisons should account for the intervening progress.

Mistral Medium 3.5 has 128B parameters, while GLM-5.2 has 744B. Context windows are 256k (Mistral Medium 3.5) vs 1M (GLM-5.2).

Direct benchmark comparisons are unavailable — Mistral Medium 3.5 and GLM-5.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

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

GLM-5.2 was released by Z.ai on Jun 16 2026.

Mistral Medium 3.5 has a 256k context window; GLM-5.2 has 1M.

Other comparisons