Muse Spark vs GLM-4.6
Meta Muse Spark | Z.ai GLM-4.6 | |
|---|---|---|
| Overview | ||
| Company | Meta | Z.ai |
| Release date | Apr 8 2026 | Sep 30 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 355B |
Context window | — | 200k |
| 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%Best | 68% |
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% | — |
Multimodal MMMUTests the AI on understanding images and text together across many college subjects. Higher is better. | 80.4% | — |
| Timeline | ||
| Release gap | GLM-4.6 shipped 190 days before Muse Spark | |
Which is better: Muse Spark or GLM-4.6?
Muse Spark leads GLM-4.6 on 1 of the 1 benchmark they both report (SWE-Bench Verified). GLM-4.6 shipped 190 days before Muse Spark, so benchmark comparisons should account for the intervening progress.
Muse Spark is proprietary, while GLM-4.6 is open weight.
On SWE-Bench Verified, Muse Spark leads at 77.4% vs GLM-4.6 at 68%.
Frequently asked questions
Muse Spark was released by Meta on Apr 8 2026.
GLM-4.6 was released by Z.ai on Sep 30 2025.
Muse Spark leads on SWE-Bench Verified — Muse Spark 77.4% vs GLM-4.6 68%.
Muse Spark is a proprietary model released by Meta. GLM-4.6 is an open weight model released by Z.ai.
Other comparisons
Muse Spark vs Claude Fable 5GLM-4.6 vs Claude Fable 5Muse Spark vs GPT-5.6 SolGLM-4.6 vs GPT-5.6 SolMuse Spark vs Gemini OmniGLM-4.6 vs Gemini OmniMuse Spark vs Grok 4.3 BetaGLM-4.6 vs Grok 4.3 BetaMuse Spark vs DeepSeek-V4-ProGLM-4.6 vs DeepSeek-V4-ProMuse Spark vs Mistral Medium 3.5GLM-4.6 vs Mistral Medium 3.5