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

Codestral 22B vs GLM-5.2

Mistral
Codestral 22B
Z.ai
GLM-5.2
Overview
CompanyMistralZ.ai
Release dateMay 29 2024Jun 16 2026
AccessProprietaryOpen Weight
Specifications
Parameters
744B
Context window
1M
Benchmarks
Agentic coding
SWE-Bench Pro
62.1%
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 gapCodestral 22B shipped 748 days before GLM-5.2

Which is better: Codestral 22B or GLM-5.2?

Codestral 22B and GLM-5.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 22B shipped 748 days before GLM-5.2, so benchmark comparisons should account for the intervening progress.

Codestral 22B is proprietary, while GLM-5.2 is open weight.

Direct benchmark comparisons are unavailable — Codestral 22B and GLM-5.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Codestral 22B was released by Mistral on May 29 2024.

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

Codestral 22B is a proprietary model released by Mistral. GLM-5.2 is an open weight model released by Z.ai.

Other comparisons