Muse Spark vs GLM-5
Meta Muse Spark | Z.ai GLM-5 | |
|---|---|---|
| Overview | ||
| Company | Meta | Z.ai |
| Release date | Apr 8 2026 | Feb 12 2026 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 744B |
| Benchmarks | ||
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. | 77.4% | 77.8%Best |
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. | — | 73.3% |
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. | — | 56.2% |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | — | 75.9% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | — | 50.4% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 89.5%Best | 86% |
Multimodal MMMUTests the AI on understanding images and text together across many college subjects. Higher is better. | 80.4% | — |
| Timeline | ||
| Release gap | GLM-5 shipped 55 days before Muse Spark | |
Which is better: Muse Spark or GLM-5?
Muse Spark and GLM-5 are evenly matched across the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). GLM-5 shipped 55 days before Muse Spark, so benchmark comparisons should account for the intervening progress.
Muse Spark is proprietary, while GLM-5 is open weight.
On SWE-Bench Verified, GLM-5 leads at 77.8% vs Muse Spark at 77.4%. On GPQA Diamond, Muse Spark leads at 89.5% vs GLM-5 at 86%.
Frequently asked questions
Muse Spark was released by Meta on Apr 8 2026.
GLM-5 was released by Z.ai on Feb 12 2026.
GLM-5 leads on SWE-Bench Verified — Muse Spark 77.4% vs GLM-5 77.8%.
Muse Spark leads on GPQA Diamond — Muse Spark 89.5% vs GLM-5 86%.
Muse Spark is a proprietary model released by Meta. GLM-5 is an open weight model released by Z.ai.
Other comparisons
Muse Spark vs Claude Fable 5GLM-5 vs Claude Fable 5Muse Spark vs GPT-5.6 SolGLM-5 vs GPT-5.6 SolMuse Spark vs Gemini OmniGLM-5 vs Gemini OmniMuse Spark vs Grok 4.3 BetaGLM-5 vs Grok 4.3 BetaMuse Spark vs DeepSeek-V4-ProGLM-5 vs DeepSeek-V4-ProMuse Spark vs Mistral Medium 3.5GLM-5 vs Mistral Medium 3.5