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

GPT-5-Codex-Mini vs GLM-4.7

OpenAI
GPT-5-Codex-Mini
Z.ai
GLM-4.7
Overview
CompanyOpenAIZ.ai
Release dateNov 8 2025Dec 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 gapGPT-5-Codex-Mini shipped 44 days before GLM-4.7

Which is better: GPT-5-Codex-Mini or GLM-4.7?

GPT-5-Codex-Mini and GLM-4.7 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5-Codex-Mini shipped 44 days before GLM-4.7, so benchmark comparisons should account for the intervening progress.

GPT-5-Codex-Mini is proprietary, while GLM-4.7 is open weight.

Direct benchmark comparisons are unavailable — GPT-5-Codex-Mini and GLM-4.7 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-5-Codex-Mini was released by OpenAI on Nov 8 2025.

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

GPT-5-Codex-Mini is a proprietary model released by OpenAI. GLM-4.7 is an open weight model released by Z.ai.

Other comparisons