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

Gemini 1.0 Ultra vs GLM-4.5-Air

Google
Gemini 1.0 Ultra
Z.ai
GLM-4.5-Air
Overview
CompanyGoogleZ.ai
Release dateFeb 8 2024Jul 28 2025
AccessProprietaryOpen Weight
Specifications
Parameters
106B
Benchmarks
Coding
SWE-Bench Verified
59.8%
Timeline
Release gapGemini 1.0 Ultra shipped 536 days before GLM-4.5-Air

Which is better: Gemini 1.0 Ultra or GLM-4.5-Air?

Gemini 1.0 Ultra and GLM-4.5-Air don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.0 Ultra shipped 536 days before GLM-4.5-Air, so benchmark comparisons should account for the intervening progress.

Gemini 1.0 Ultra is proprietary, while GLM-4.5-Air is open weight.

Direct benchmark comparisons are unavailable — Gemini 1.0 Ultra and GLM-4.5-Air don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.0 Ultra was released by Google on Feb 8 2024.

GLM-4.5-Air was released by Z.ai on Jul 28 2025.

Gemini 1.0 Ultra is a proprietary model released by Google. GLM-4.5-Air is an open weight model released by Z.ai.

Other comparisons