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

Grok 2.5 vs GLM-5

xAI
Grok 2.5
Z.ai
GLM-5
Overview
CompanyxAIZ.ai
Release dateAug 2025Feb 12 2026
AccessProprietaryOpen Weight
Specifications
Parameters
744B
Benchmarks
Coding
SWE-Bench Verified
77.8%
Multilingual coding
SWE-Bench Multilingual
73.3%
Agentic terminal coding
Terminal-Bench 2.0
56.2%
Web browsing
BrowseComp
75.9%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
50.4%
Science
GPQA Diamond
86%
Timeline
Release gapGrok 2.5 shipped 195 days before GLM-5

Which is better: Grok 2.5 or GLM-5?

Grok 2.5 and GLM-5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 2.5 shipped 195 days before GLM-5, so benchmark comparisons should account for the intervening progress.

Grok 2.5 is proprietary, while GLM-5 is open weight.

Direct benchmark comparisons are unavailable — Grok 2.5 and GLM-5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Grok 2.5 was released by xAI on Aug 2025.

GLM-5 was released by Z.ai on Feb 12 2026.

Grok 2.5 is a proprietary model released by xAI. GLM-5 is an open weight model released by Z.ai.

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