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

Kimi K1.5 vs GLM-4.5-Air

Moonshot AI
Kimi K1.5
Z.ai
GLM-4.5-Air
Overview
CompanyMoonshot AIZ.ai
Release dateJan 20 2025Jul 28 2025
AccessProprietaryOpen Weight
Specifications
Parameters
106B
Context window
128k
Benchmarks
Coding
SWE-Bench Verified
59.8%
Timeline
Release gapKimi K1.5 shipped 189 days before GLM-4.5-Air

Which is better: Kimi K1.5 or GLM-4.5-Air?

Kimi K1.5 and GLM-4.5-Air don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K1.5 shipped 189 days before GLM-4.5-Air, so benchmark comparisons should account for the intervening progress.

Kimi K1.5 is proprietary, while GLM-4.5-Air is open weight.

Direct benchmark comparisons are unavailable — Kimi K1.5 and GLM-4.5-Air don't publish scores on any of the same benchmarks.

Frequently asked questions

Kimi K1.5 was released by Moonshot AI on Jan 20 2025.

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

Kimi K1.5 is a proprietary model released by Moonshot AI. GLM-4.5-Air is an open weight model released by Z.ai.

Other comparisons