Can 4x Apple M5 Ultra run Muse Spark Open 816B-A42B?
Yes. Measured 36.73 tok/s generation (MLX, 4-node tensor parallel, NVFP4, 8,192-token context; source).
Every measured result for Muse Spark Open 816B-A42B on 4x Apple M5 Ultra
| Build | Quant / setup | Engine | tok/s | |
|---|---|---|---|---|
| 4x Mac Studio M5 Ultra cluster (Thunderbolt 5 RDMA): Muse Spark Open at 36.7 tok/s | NVFP4, 8,192-token context | MLX, 4-node tensor parallel | 36.73 | source |
Speeds are decode (generation) tokens/sec as reported by each source; quant, engine and context differ, so small gaps are noise.
All measured speeds for Muse Spark Open 816B-A42B: best home rig for Muse Spark Open 816B-A42B.
Muse Spark Open 816B-A42B on other hardware: 2x Apple M5 Ultra · Apple M3 Ultra
Other models measured on 4x Apple M5 Ultra: Mistral Medium 3.5 128B · Qwen3.8 27B
Not enough VRAM? Rent before you buy. Run Muse Spark Open 816B-A42B on a bigger GPU on a rented 24–96 GB cloud GPU by the hour and see the real speed before spending €1,000+. Try it on Runpod
Referral link: if you sign up with Google and add $10, Runpod gives you and RigBase bonus credit (terms). It never affects our data.
Referral link: if you sign up with Google and add $10, Runpod gives you and RigBase bonus credit (terms). It never affects our data.