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

GPT-4.1 mini vs GLM-4

OpenAI
GPT-4.1 mini
Z.ai
GLM-4
Overview
CompanyOpenAIZ.ai
Release dateMay 14 2025Jan 16 2024
AccessProprietaryProprietary
Timeline
Release gapGLM-4 shipped 484 days before GPT-4.1 mini

Which is better: GPT-4.1 mini or GLM-4?

GPT-4.1 mini and GLM-4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4 shipped 484 days before GPT-4.1 mini, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — GPT-4.1 mini and GLM-4 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-4.1 mini was released by OpenAI on May 14 2025.

GLM-4 was released by Z.ai on Jan 16 2024.

Other comparisons