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Can a Mac Studio M3 Ultra (80c GPU) 96GB run Clef 27B (Cloudflare, decision)?

Yes. Clef 27B (Cloudflare, decision) fits in fast memory on Mac Studio M3 Ultra (80c GPU) 96GB at Q8_0 (32.3 GB needed, 72.0 GB usable), about 22 tok/s (estimate).

Hardware: Mac Studio M3 Ultra (80c GPU) 96GB · Model: Clef 27B (Cloudflare, decision)

Mac Studio M3 Ultra (80c GPU) 96GB has 96 GB of unified memory and 819 GB/s of memory bandwidth. Mac Studio M3 Ultra (60c GPU) 96GB has the same memory and bandwidth, so the fit numbers match; this page is Mac Studio M3 Ultra (80c GPU) 96GB. The checker leaves macOS a share of unified memory, so Ollama can use 72.0 GB. Clef 27B (Cloudflare, decision) (27B, Cloudflare) at Q8_0 is a 30 GB download and needs 32.3 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size30 GB
Memory needed32.3 GB
Usable fast memory72.0 GB
Fitfits in fast memory
Estimated speed~22 tok/s (estimate)
Commandollama run clef:27b-q8_0
Open Mac Studio M3 Ultra (80c GPU) 96GB 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