Can I run this LLM?
Can a Mac Studio M3 Ultra (512GB) run Step 3.7 Flash (MoE)?
Step · Apache 2.0 · estimated for a 512.0 GB machine at 4K context.
Yes — it runs great.
Best fit: Step 3.7 Flash (MoE) at Q8_0 · 212.0 GB · 36–55 tok/s on a Mac Studio M3 Ultra (512GB).
Every quantization on this machine
| Quant | Size | Speed | Fit |
|---|---|---|---|
| Q2_K | 71.2 GB | 74–112 tok/s | Runs great |
| Q3_K_M | 91.8 GB | 65–97 tok/s | Runs great |
| Q4_K_M | 121.6 GB | 54–81 tok/s | Runs great |
| Q5_K_M | 142.0 GB | 49–73 tok/s | Runs great |
| Q6_K | 171.8 GB | 43–64 tok/s | Runs great |
| Q8_0 | 212.0 GB | 36–55 tok/s | Runs great |
Open the full calculator →Everything a Mac Studio M3 Ultra (512GB) runsStep 3.7 Flash (MoE) on other machinesWhat to buy to run it →
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