Qwen3.5vsGLM-4.5
Qwen3.5 | GLM-4.5 | |
|---|---|---|
| Specifications | ||
Parameters | 397B | 355B |
Context window | 1M | 128k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 8% |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 76.4%Best | 64.2% |
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | 69.3% | — |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | 52.5% | — |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | 69% | — |
Multidisciplinary reasoning Humanity's Last Exam · no toolsHumanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better. | 28.7% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 88.4%Best | 79.1% |
Agentic computer use OSWorld-VerifiedCan the AI actually operate a computer — clicking, typing, and using real apps — to finish tasks on its own? Higher is better. | 62.2% | — |
Chart reasoning CharXiv ReasoningCan the AI read and reason about complex charts and figures, not just text? Higher is better. | 80.8% | — |
Multimodal reasoning MMMU-ProA tougher version of MMMU — college-level questions that mix images, diagrams, and text together. Higher is better. | 79% | — |
Multimodal MMMUTests the AI on understanding images and text together across many college subjects. Higher is better. | 85% | — |
| Overview | ||
| Company | Qwen | Z.ai |
| Release date | Feb 16 2026 | Jul 28 2025 |
| Access | Open Weight | Open Weight |
Which is better: Qwen3.5 or GLM-4.5?
Qwen3.5 leads GLM-4.5 on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). GLM-4.5 shipped 203 days before Qwen3.5, so benchmark comparisons should account for the intervening progress.
Qwen3.5 has 397B parameters, while GLM-4.5 has 355B. Context windows are 1M (Qwen3.5) vs 128k (GLM-4.5).
On SWE-Bench Verified, Qwen3.5 leads at 76.4% vs GLM-4.5 at 64.2%. On GPQA Diamond, Qwen3.5 leads at 88.4% vs GLM-4.5 at 79.1%.
Frequently asked questions
Qwen3.5 was released by Qwen on Feb 16 2026.
GLM-4.5 was released by Z.ai on Jul 28 2025.
Qwen3.5 leads on SWE-Bench Verified — Qwen3.5 76.4% vs GLM-4.5 64.2%.
Qwen3.5 leads on GPQA Diamond — Qwen3.5 88.4% vs GLM-4.5 79.1%.
Qwen3.5 has a 1M context window; GLM-4.5 has 128k.