Qwen3.5vsGLM-5.2

Qwen3.5
GLM-5.2
Specifications
Parameters
397B
744B
Context window
1M
1M
Benchmarks
Nonsense detection
BullshitBench v2
31%
Agentic coding
SWE-Bench Pro
62.1%
Coding
SWE-Bench Verified
76.4%
Multilingual coding
SWE-Bench Multilingual
69.3%
Agentic coding
CursorBench v3.2
55%
Agentic coding
CursorBench v3.1
54.6%
Agentic coding
DeepSWE 1.1
44%
Next.js coding
Next.js Evals
88%
Agentic computer work
Frontier-Bench v0.1
5.1%
Agentic terminal coding
Terminal-Bench 2.1
81%
Agentic terminal coding
Terminal-Bench 2.0
52.5%
Web browsing
BrowseComp
69%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
28.7%
40.5%Best
Multidisciplinary reasoning
Humanity's Last Exam · with tools
54.7%
Science
GPQA Diamond
88.4%
91.2%Best
Agentic computer use
OSWorld-Verified
62.2%
Knowledge work
GDPval-AA v2
1514
Chart reasoning
CharXiv Reasoning
80.8%
Multimodal reasoning
MMMU-Pro
79%
Multimodal
MMMU
85%
Community preference (code)
Arena Elo (Code)
1587
Overview
CompanyQwenZ.ai
Release dateFeb 16 2026Jun 16 2026
AccessOpen WeightOpen Weight

Which is better: Qwen3.5 or GLM-5.2?

GLM-5.2 leads Qwen3.5 on 2 of the 2 benchmarks they both report (Humanity's Last Exam, GPQA Diamond). Qwen3.5 shipped 120 days before GLM-5.2, so benchmark comparisons should account for the intervening progress.

Qwen3.5 has 397B parameters, while GLM-5.2 has 744B. Context windows are 1M (Qwen3.5) vs 1M (GLM-5.2).

On Humanity's Last Exam · no tools, GLM-5.2 leads at 40.5% vs Qwen3.5 at 28.7%. On GPQA Diamond, GLM-5.2 leads at 91.2% vs Qwen3.5 at 88.4%.

Frequently asked questions

Qwen3.5 was released by Qwen on Feb 16 2026.

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

GLM-5.2 leads on Humanity's Last Exam · no tools — Qwen3.5 28.7% vs GLM-5.2 40.5%.

Qwen3.5 has a 1M context window; GLM-5.2 has 1M.

Other comparisons