Can I run this LLM?
Can a MacBook Pro / Mac mini M5 Pro (48GB) run Qwen3.8 27B?
Qwen · Apache 2.0 · estimated for a 48.0 GB machine at 4K context.
Yes — it runs great.
Runs greatBest fit: Qwen3.8 27B at Q3_K_M · 13.4 GB weights · 14–21 tok/s on a MacBook Pro / Mac mini M5 Pro (48GB).
Arena Text Overall · style-controlled
1,438Q3_K_M untestedqwen3.8-27b · published configuration reference · Q3_K_M not tested
Arena Text Overall (style-controlled), exact published entry qwen3.8-27b, 2026-10-08: reference rating 1,438.1. Published confidence bounds 1,432.8–1,443.4. 20,711 votes. Published qwen3.8-27b configuration reference. Reasoning mode is not disclosed by the Arena dataset. Tested precision, runtime and sampling settings are not disclosed in this dataset. Selected Q3_K_M has not been measured by this Arena entry. No quantization quality adjustment is applied.
Snapshot published 2026-10-08 · snapshot imported 2026-10-11 UTC · validated last-good data · manual refresh
Arena leaderboard dataset · Arena / lmarena-ai, Arena Leaderboard Dataset (CC BY 4.0). Selected Text Overall style-controlled rows; field names adapted, ratings unchanged. · dataset CC BY 4.0 · revision e16f90232986
- Total memory at 4K context
- 14.5 GB
- Weights + KV cache + runtime overhead
- Estimated generation
- 14–21 tok/s
- Estimated first token
- ~34s
Every quantization on this machine
On small screens, each quant lists every metric below its name. On wider screens, scroll sideways for total memory, speed and fit. Keyboard: focus the table, then use the arrow keys. Quant names stay visible.
| Quant | Weights | Total memory | Speed | Fit |
|---|---|---|---|---|
| Q2_K | 10.8 GB | 11.9 GB | 17–25 tok/s | Runs great |
| Q3_K_M | 13.4 GB | 14.5 GB | 14–21 tok/s | Runs great |
| Q4_K_M | 17.4 GB | 18.5 GB | 11–16 tok/s | Tight / slow |
| Q5_K_M | 20.9 GB | 22.0 GB | 9–14 tok/s | Tight / slow |
| Q6_K | 23.9 GB | 24.9 GB | 8–12 tok/s | Tight / slow |
| Q8_0 | 29.1 GB | 30.2 GB | 7–10 tok/s | Tight / slow |
| FP16 | 54.7 GB | 55.7 GB | — not resident | Won't fit |
Ran Qwen3.8 27B on a MacBook Pro / Mac mini M5 Pro (48GB)? Add your real numbers →