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Yes. Devstral Small 2 24B fits in fast memory on M2 Ultra 192GB at Q8_0 (27.8 GB needed, 144.0 GB usable), about 25 tok/s (estimate).
Hardware: M2 Ultra 192GB · Model: Devstral Small 2 24B
M2 Ultra 192GB has 192 GB of unified memory and 800 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 144.0 GB. Devstral Small 2 24B (24B, Mistral) at Q8_0 is a 26 GB download and needs 27.8 GB with headroom for about 8k tokens.
| Best quant | Q8_0 |
|---|---|
| Download size | 26 GB |
| Memory needed | 27.8 GB |
| Usable fast memory | 144.0 GB |
| Fit | fits in fast memory |
| Estimated speed | ~25 tok/s (estimate) |
| Command | ollama run devstral-small-2:24b-instruct-2512-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