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

Gemini 1.5 Flash vs GLM-5

Google
Gemini 1.5 Flash
Z.ai
GLM-5
Overview
CompanyGoogleZ.ai
Release dateMay 14 2024Feb 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 gapGemini 1.5 Flash shipped 639 days before GLM-5

Which is better: Gemini 1.5 Flash or GLM-5?

Gemini 1.5 Flash and GLM-5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash shipped 639 days before GLM-5, so benchmark comparisons should account for the intervening progress.

Gemini 1.5 Flash is proprietary, while GLM-5 is open weight.

Direct benchmark comparisons are unavailable — Gemini 1.5 Flash and GLM-5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 1.5 Flash was released by Google on May 14 2024.

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

Gemini 1.5 Flash is a proprietary model released by Google. GLM-5 is an open weight model released by Z.ai.

Other comparisons