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

Gemini 2.5 Flash vs ChatGLM-6B

Google
Gemini 2.5 Flash
Z.ai
ChatGLM-6B
Overview
CompanyGoogleZ.ai
Release dateApr 17 2025Mar 14 2023
AccessProprietaryOpen Weight
Specifications
Parameters
6B
Benchmarks
Nonsense detection
BullshitBench v2
19%
Timeline
Release gapChatGLM-6B shipped 765 days before Gemini 2.5 Flash

Which is better: Gemini 2.5 Flash or ChatGLM-6B?

Gemini 2.5 Flash and ChatGLM-6B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. ChatGLM-6B shipped 765 days before Gemini 2.5 Flash, so benchmark comparisons should account for the intervening progress.

Gemini 2.5 Flash is proprietary, while ChatGLM-6B is open weight.

Direct benchmark comparisons are unavailable — Gemini 2.5 Flash and ChatGLM-6B don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 2.5 Flash was released by Google on Apr 17 2025.

ChatGLM-6B was released by Z.ai on Mar 14 2023.

Gemini 2.5 Flash is a proprietary model released by Google. ChatGLM-6B is an open weight model released by Z.ai.

Other comparisons