Qwen3.5-PlusvsGLM-4.6

Qwen3.5-Plus
GLM-4.6
Specifications
Parameters
355B
Context window
1M
200k
Benchmarks
Coding
SWE-Bench Verified
68%
Community preference (code)
Arena Elo (Code)
1339
Overview
CompanyQwenZ.ai
Release dateFeb 16 2026Sep 30 2025
AccessProprietaryOpen Weight

Which is better: Qwen3.5-Plus or GLM-4.6?

Qwen3.5-Plus and GLM-4.6 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4.6 shipped 139 days before Qwen3.5-Plus, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Qwen3.5-Plus) vs 200k (GLM-4.6). Qwen3.5-Plus is proprietary, while GLM-4.6 is open weight.

Direct benchmark comparisons are unavailable — Qwen3.5-Plus and GLM-4.6 don't publish scores on any of the same benchmarks.

Frequently asked questions

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

GLM-4.6 was released by Z.ai on Sep 30 2025.

Qwen3.5-Plus has a 1M context window; GLM-4.6 has 200k.

Qwen3.5-Plus is a proprietary model released by Qwen. GLM-4.6 is an open weight model released by Z.ai.

Other comparisons