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

o1-preview vs GLM-4.7

OpenAI
o1-preview
Z.ai
GLM-4.7
Overview
CompanyOpenAIZ.ai
Release dateSep 12 2024Dec 22 2025
AccessProprietaryOpen Weight
Specifications
Context window
128k
Benchmarks
Coding
SWE-Bench Verified
73.8%
Agentic terminal coding
Terminal-Bench 2.0
41%
Web browsing
BrowseComp
52%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
24.8%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
42.8%
Science
GPQA Diamond
85.7%
Timeline
Release gapo1-preview shipped 466 days before GLM-4.7

Which is better: o1-preview or GLM-4.7?

o1-preview and GLM-4.7 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 466 days before GLM-4.7, so benchmark comparisons should account for the intervening progress.

o1-preview is proprietary, while GLM-4.7 is open weight.

Direct benchmark comparisons are unavailable — o1-preview and GLM-4.7 don't publish scores on any of the same benchmarks.

Frequently asked questions

o1-preview was released by OpenAI on Sep 12 2024.

GLM-4.7 was released by Z.ai on Dec 22 2025.

o1-preview is a proprietary model released by OpenAI. GLM-4.7 is an open weight model released by Z.ai.

Other comparisons