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

GPT-5 mini vs GLM-4-Plus

OpenAI
GPT-5 mini
Z.ai
GLM-4-Plus
Overview
CompanyOpenAIZ.ai
Release dateAug 7 2025Aug 29 2024
AccessProprietaryProprietary
Timeline
Release gapGLM-4-Plus shipped 343 days before GPT-5 mini

Which is better: GPT-5 mini or GLM-4-Plus?

GPT-5 mini and GLM-4-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-Plus shipped 343 days before GPT-5 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-5 mini and GLM-4-Plus don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-5 mini was released by OpenAI on Aug 7 2025.

GLM-4-Plus was released by Z.ai on Aug 29 2024.

Other comparisons