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

Mistral Small 4 vs GLM-5.1

Mistral
Mistral Small 4
Z.ai
GLM-5.1
Overview
CompanyMistralZ.ai
Release dateMar 16 2026Apr 7 2026
AccessProprietaryOpen Weight
Specifications
Parameters
744B
Context window
200k
Benchmarks
Agentic terminal coding
Terminal-Bench 2.0
63.5%
Web browsing
BrowseComp
68%
Science
GPQA Diamond
86.2%
Timeline
Release gapMistral Small 4 shipped 22 days before GLM-5.1

Which is better: Mistral Small 4 or GLM-5.1?

Mistral Small 4 and GLM-5.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 4 shipped 22 days before GLM-5.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 4 is proprietary, while GLM-5.1 is open weight.

Direct benchmark comparisons are unavailable — Mistral Small 4 and GLM-5.1 don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral Small 4 was released by Mistral on Mar 16 2026.

GLM-5.1 was released by Z.ai on Apr 7 2026.

Mistral Small 4 is a proprietary model released by Mistral. GLM-5.1 is an open weight model released by Z.ai.

Other comparisons