Qwen3.8-MaxvsGLM-5.2

Qwen3.8-Max
GLM-5.2
Specifications
Parameters
2.4T
744B
Context window
1M
1M
Benchmarks
Nonsense detection
BullshitBench v2
31%
Agentic coding
SWE-Bench Pro
67.7%Best
62.1%
Agentic coding
CursorBench v3.2
55%
Agentic coding
CursorBench v3.1
54.6%
Agentic coding
DeepSWE 1.1
44%
Research reproduction
PaperBench
93%
Next.js coding
Next.js Evals
88%
Agentic computer work
Frontier-Bench v0.1
5.1%
Agentic terminal coding
Terminal-Bench 2.1
86.6%Best
81%
Professional tool use
JobBench
53.4%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.5%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
54.7%
Science
GPQA Diamond
91.2%
Agentic computer use
OSWorld-Verified
86.1%
Knowledge work
GDPval-AA v2
1514
Chart reasoning
CharXiv Reasoning
88.4%
Visual reasoning
BabyVision
82%
Community preference (code)
Arena Elo (Code)
1587
Overview
CompanyQwenZ.ai
Release dateAug 3 2026Jun 16 2026
AccessProprietaryOpen Weight

Which is better: Qwen3.8-Max or GLM-5.2?

Qwen3.8-Max leads GLM-5.2 on 2 of the 2 benchmarks they both report (SWE-Bench Pro, Terminal-Bench 2.1). GLM-5.2 shipped 48 days before Qwen3.8-Max, so benchmark comparisons should account for the intervening progress.

Qwen3.8-Max has 2.4T parameters, while GLM-5.2 has 744B. Context windows are 1M (Qwen3.8-Max) vs 1M (GLM-5.2). Qwen3.8-Max is proprietary, while GLM-5.2 is open weight.

On SWE-Bench Pro, Qwen3.8-Max leads at 67.7% vs GLM-5.2 at 62.1%. On Terminal-Bench 2.1, Qwen3.8-Max leads at 86.6% vs GLM-5.2 at 81%.

Frequently asked questions

Qwen3.8-Max was released by Qwen on Aug 3 2026.

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

Qwen3.8-Max leads on SWE-Bench Pro — Qwen3.8-Max 67.7% vs GLM-5.2 62.1%.

Qwen3.8-Max has a 1M context window; GLM-5.2 has 1M.

Qwen3.8-Max is a proprietary model released by Qwen. GLM-5.2 is an open weight model released by Z.ai.

Other comparisons