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Can a M4 Max (40c GPU) 128GB run Kev 9B (decision)?

Yes. Kev 9B (decision) fits in fast memory on M4 Max (40c GPU) 128GB at Q8_0 (10.6 GB needed, 96.0 GB usable), about 46 tok/s (estimate).

Hardware: M4 Max (40c GPU) 128GB · Model: Kev 9B (decision)

M4 Max (40c GPU) 128GB has 128 GB of unified memory and 546 GB/s of memory bandwidth. Mac Studio M4 Max (40c GPU) 128GB has the same memory and bandwidth, so the fit numbers match; this page is M4 Max (40c GPU) 128GB. The checker leaves macOS a share of unified memory, so Ollama can use 96.0 GB. Kev 9B (decision) (9B, Kev) at Q8_0 is a 9.5 GB download and needs 10.6 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size9.5 GB
Memory needed10.6 GB
Usable fast memory96.0 GB
Fitfits in fast memory
Estimated speed~46 tok/s (estimate)
Commandollama run kev:9b-q8_0
Open M4 Max (40c GPU) 128GB in the checker

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