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

Gemini 3.5 Flash vs GLM-4-9B

Google
Gemini 3.5 Flash
Z.ai
GLM-4-9B
Overview
CompanyGoogleZ.ai
Release dateMay 19 2026Jun 5 2024
AccessProprietaryOpen Weight
Specifications
Parameters
9B
Benchmarks
Nonsense detection
BullshitBench v2
20%
Agentic coding
SWE-Bench Pro
55.1%
Agentic terminal coding
Terminal-Bench 2.1
76.2%
Multi-step tool use
MCP Atlas
83.6%
General tool use
Toolathlon
56.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.2%
Abstract reasoning
ARC-AGI-2
72.1%
Agentic computer use
OSWorld-Verified
78.4%
Agentic financial analysis
Finance Agent v2
57.9%
Knowledge work
GDPval-AA
1656
Chart reasoning
CharXiv Reasoning
84.2%
Multimodal reasoning
MMMU-Pro
83.6%
Spatial reasoning
Blueprint-Bench 2
33.6%
Long context
MRCR v2 (8-needle) · 128k average
77.3%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.6%
Timeline
Release gapGLM-4-9B shipped 713 days before Gemini 3.5 Flash

Which is better: Gemini 3.5 Flash or GLM-4-9B?

Gemini 3.5 Flash and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 713 days before Gemini 3.5 Flash, so benchmark comparisons should account for the intervening progress.

Gemini 3.5 Flash is proprietary, while GLM-4-9B is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.5 Flash and GLM-4-9B don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 3.5 Flash was released by Google on May 19 2026.

GLM-4-9B was released by Z.ai on Jun 5 2024.

Gemini 3.5 Flash is a proprietary model released by Google. GLM-4-9B is an open weight model released by Z.ai.

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