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

Gemini 3.0 Flash vs GLM-5.2

Google
Gemini 3.0 Flash
Z.ai
GLM-5.2
Overview
CompanyGoogleZ.ai
Release dateDec 17 2025Jun 16 2026
AccessProprietaryOpen Weight
Specifications
Parameters
744B
Context window
1M
Benchmarks
Agentic coding
SWE-Bench Pro
49.6%
62.1%Best
Coding
SWE-Bench Verified
78%
Agentic terminal coding
Terminal-Bench 2.1
58%
81%Best
Multi-step tool use
MCP Atlas
62%
General tool use
Toolathlon
49.4%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
33.7%
40.5%Best
Abstract reasoning
ARC-AGI-2
33.6%
Science
GPQA Diamond
90.4%
91.2%Best
Agentic computer use
OSWorld-Verified
65.1%
Agentic financial analysis
Finance Agent v2
42.6%
Knowledge work
GDPval-AA
1204
Chart reasoning
CharXiv Reasoning
80.3%
Multimodal reasoning
MMMU-Pro
81.2%
Spatial reasoning
Blueprint-Bench 2
0%
Long context
MRCR v2 (8-needle) · 128k average
67.2%
Long context
MRCR v2 (8-needle) · 1M pointwise
22.1%
Timeline
Release gapGemini 3.0 Flash shipped 181 days before GLM-5.2

Which is better: Gemini 3.0 Flash or GLM-5.2?

GLM-5.2 leads Gemini 3.0 Flash on 4 of the 4 benchmarks they both report (SWE-Bench Pro, Terminal-Bench 2.1, Humanity's Last Exam, GPQA Diamond). Gemini 3.0 Flash shipped 181 days before GLM-5.2, so benchmark comparisons should account for the intervening progress.

Gemini 3.0 Flash is proprietary, while GLM-5.2 is open weight.

On SWE-Bench Pro, GLM-5.2 leads at 62.1% vs Gemini 3.0 Flash at 49.6%. On Terminal-Bench 2.1, GLM-5.2 leads at 81% vs Gemini 3.0 Flash at 58%. On Humanity's Last Exam · no tools, GLM-5.2 leads at 40.5% vs Gemini 3.0 Flash at 33.7%. On GPQA Diamond, GLM-5.2 leads at 91.2% vs Gemini 3.0 Flash at 90.4%.

Frequently asked questions

Gemini 3.0 Flash was released by Google on Dec 17 2025.

GLM-5.2 was released by Z.ai on Jun 16 2026.

GLM-5.2 leads on SWE-Bench Pro — Gemini 3.0 Flash 49.6% vs GLM-5.2 62.1%.

GLM-5.2 leads on Humanity's Last Exam · no tools — Gemini 3.0 Flash 33.7% vs GLM-5.2 40.5%.

Gemini 3.0 Flash is a proprietary model released by Google. GLM-5.2 is an open weight model released by Z.ai.

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