← CanIRunLocal · All hardware · All models
Yes. LFM2.5 1.2B Thinking fits in fast memory on M2 Ultra 192GB at Q8_0 (1.9 GB needed, 144.0 GB usable), about 533 tok/s (estimate).
Hardware: M2 Ultra 192GB · Model: LFM2.5 1.2B Thinking
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. LFM2.5 1.2B Thinking (1.17B, Liquid AI) at Q8_0 is a 1.2 GB download and needs 1.9 GB with headroom for about 8k tokens.
| Best quant | Q8_0 |
|---|---|
| Download size | 1.2 GB |
| Memory needed | 1.9 GB |
| Usable fast memory | 144.0 GB |
| Fit | fits in fast memory |
| Estimated speed | ~533 tok/s (estimate) |
| Command | ollama run lfm2.5-thinking:1.2b-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