← CanIRunLocal · All hardware · All models
Yes. DeepSeek R1 0528 Qwen3 8B fits in fast memory on M3 Pro 18GB at Q8_0 (9.9 GB needed, 12.1 GB usable), about 13 tok/s (estimate).
Hardware: M3 Pro 18GB · Model: DeepSeek R1 0528 Qwen3 8B
M3 Pro 18GB has 18 GB of unified memory and 150 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 12.1 GB. DeepSeek R1 0528 Qwen3 8B (8.19B, DeepSeek) at Q8_0 is a 8.9 GB download and needs 9.9 GB with headroom for about 8k tokens.
| Best quant | Q8_0 |
|---|---|
| Download size | 8.9 GB |
| Memory needed | 9.9 GB |
| Usable fast memory | 12.1 GB |
| Fit | fits in fast memory |
| Estimated speed | ~13 tok/s (estimate) |
| Command | ollama run deepseek-r1:8b-0528-qwen3-q8_0 |
Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.
A project by OnDevice Labs · llms.txt