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

GPT-4.1 mini vs GLM-4-9B

OpenAI
GPT-4.1 mini
Z.ai
GLM-4-9B
Overview
CompanyOpenAIZ.ai
Release dateMay 14 2025Jun 5 2024
AccessProprietaryOpen Weight
Specifications
Parameters
9B
Timeline
Release gapGLM-4-9B shipped 343 days before GPT-4.1 mini

Which is better: GPT-4.1 mini or GLM-4-9B?

GPT-4.1 mini and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 343 days before GPT-4.1 mini, so benchmark comparisons should account for the intervening progress.

GPT-4.1 mini is proprietary, while GLM-4-9B is open weight.

Direct benchmark comparisons are unavailable — GPT-4.1 mini and GLM-4-9B 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-4-9B was released by Z.ai on Jun 5 2024.

GPT-4.1 mini is a proprietary model released by OpenAI. GLM-4-9B is an open weight model released by Z.ai.

Other comparisons