Can I run Spark-X2.6-4B-abliterated-FIT-GGUF on a Mac with 16 GB?

Yes

Its BF16 file (8.23 GB) fits in the 10.7 GB a Mac with 16 GB can use, with room for ≈ 63K tokens of context.

Full analysis of Spark-X2.6-4B-abliterated-FIT-GGUF Everything that runs on Mac with 16 GB Get the BF16 file on Hugging Face

ollama run hf.co/SC117/Spark-X2.6-4B-abliterated-FIT-GGUF:BF16

Files and context on Mac with 16 GB

Each file of Spark-X2.6-4B-abliterated-FIT-GGUF (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

File	Size	On Mac with 16 GB	Context (16-bit)	Context (8-bit)
BF16	8.23 GB	Fits	63K	128K
Q6_K	3.38 GB	Fits	192K	385K
Q5_K_M	3.00 GB	Fits	202K	405K
Q4_K_M	2.70 GB	Fits	210K	421K
IQ4_XS	2.38 GB	Fits	218K	438K
Q3_K_M	2.34 GB	Fits	219K	440K

Spark-X2.6-4B-abliterated-FIT-GGUF on other hardware

Popular models that run on Mac with 16 GB

Assumes 67% of the Mac's memory is usable (macOS's default limit for the GPU; it can be raised) and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.