How fast will Ornith 1.5 35B A3B feel on the Mac Mini M4 Pro 64GB?

Ornith 1.5 35B A3B on the Mac Mini M4 Pro 64GB

Ornith 1.5 35B A3B is a 35.95B-parameter mixture-of-experts model (3B active per token). At Q4_K_M it needs about 22.5 GB of memory. The Mac Mini M4 Pro 64GB has 48 GB usable, so it fits entirely in memory. Expect about 71 tokens/sec (60–82), with the first token after 0.4 s for a short prompt. This estimate is projected from the hardware specs; no benchmarks exist yet.

Speed by quantization

QuantizationFile sizeMemoryGenerationFirst tokenSource
Q4_K_M21.7 GBFits71 tok/s0.4 sProjected
Q8_037.8 GBFits41 tok/s0.4 sProjected
FP1672.0 GBDoesn't fitWon't run——

Ornith 1.5 35B A3B on other hardware

Other models on the Mac Mini M4 Pro 64GB

All models on the Mac Mini M4 Pro 64GB · Ornith 1.5 35B A3B on all hardware

Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.