Composer 2 vs GLM-5.2
Cursor Composer 2 | Z.ai GLM-5.2 | |
|---|---|---|
| Overview | ||
| Company | Cursor | Z.ai |
| Release date | Mar 20 2026 | Jun 16 2026 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 744B |
Context window | — | 1M |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | — | 62.1% |
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. | 73.7% | — |
Agentic coding CursorBench v3.1Cursor's own test of harder, real-world coding tasks inside a code editor. Higher is better. | 52.2% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | — | 81% |
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. | 61.7% | — |
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. | — | 40.5% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 91.2% |
| Timeline | ||
| Release gap | Composer 2 shipped 88 days before GLM-5.2 | |
Which is better: Composer 2 or GLM-5.2?
Composer 2 and GLM-5.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer 2 shipped 88 days before GLM-5.2, so benchmark comparisons should account for the intervening progress.
Composer 2 is proprietary, while GLM-5.2 is open weight.
Direct benchmark comparisons are unavailable — Composer 2 and GLM-5.2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 2 was released by Cursor on Mar 20 2026.
GLM-5.2 was released by Z.ai on Jun 16 2026.
Composer 2 is a proprietary model released by Cursor. GLM-5.2 is an open weight model released by Z.ai.