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Yes. Flint 40B-A2.5B (MoE) fits in fast memory on Mac Studio M5 Ultra (64c GPU) 96GB at Q4_1 (27.6 GB needed, 72.0 GB usable), about 294 tok/s (estimate).
Hardware: Mac Studio M5 Ultra (64c GPU) 96GB · Model: Flint 40B-A2.5B (MoE)
Mac Studio M5 Ultra (64c GPU) 96GB has 96 GB of unified memory and 1200 GB/s of memory bandwidth. Mac Studio M5 Ultra (80c GPU) 96GB has the same memory and bandwidth, so the fit numbers match; this page is Mac Studio M5 Ultra (64c GPU) 96GB. The checker leaves macOS a share of unified memory, so Ollama can use 72.0 GB. Flint 40B-A2.5B (MoE) (39.8B, 2.5B active, Recursive) at Q4_1 is a 26 GB download and needs 27.6 GB with headroom for about 8k tokens.
| Best quant | Q4_1 |
|---|---|
| Download size | 26 GB |
| Memory needed | 27.6 GB |
| Usable fast memory | 72.0 GB |
| Fit | fits in fast memory |
| Estimated speed | ~294 tok/s (estimate) |
| Command | ollama run flint:40b-a2b-q4_1 |
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.
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