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

o4-mini vs ChatGLM-6B

OpenAI
o4-mini
Z.ai
ChatGLM-6B
Overview
CompanyOpenAIZ.ai
Release dateApr 16 2025Mar 14 2023
AccessProprietaryOpen Weight
Specifications
Parameters
6B
Benchmarks
Nonsense detection
BullshitBench v2
8%
Timeline
Release gapChatGLM-6B shipped 764 days before o4-mini

Which is better: o4-mini or ChatGLM-6B?

o4-mini and ChatGLM-6B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. ChatGLM-6B shipped 764 days before o4-mini, so benchmark comparisons should account for the intervening progress.

o4-mini is proprietary, while ChatGLM-6B is open weight.

Direct benchmark comparisons are unavailable — o4-mini and ChatGLM-6B don't publish scores on any of the same benchmarks.

Frequently asked questions

o4-mini was released by OpenAI on Apr 16 2025.

ChatGLM-6B was released by Z.ai on Mar 14 2023.

o4-mini is a proprietary model released by OpenAI. ChatGLM-6B is an open weight model released by Z.ai.

Other comparisons