Can I run it?

Can I run deepseek v4.1 flash on Apple M4 Max (40-core GPU)?

Won't fit

Won't fit on Apple M4 Max (40-core GPU). The smallest quant Q2_K is 294.3 GB before KV cache, and usable memory is 36.0 GB.

Best quantQ2_K est.

Working context—

Max that fits—

Speed—Estimate from memory bandwidth, not a benchmark. Method.

Weights294.3 GB

KV cache0.00 GB

Total0.00 GB

Usable36.0 GB

Run commands

llama.cpp

# Quant size is estimated — the file may not be published yet
llama-server -hf antirez/deepseek-v4.1-flash-gguf:Q2_K -c 2048 -ngl 0

Ollama

ollama run deepseek-v4.1-flash

LM Studio

# Quant size is estimated — the file may not be published yet
lms get antirez/deepseek-v4.1-flash-gguf
# Then load quant Q2_K

Estimate from memory bandwidth, not a benchmark. Decode speed uses 55–75% of peak bandwidth.
KV cache is FP16. Engine overhead assumes llama.cpp (0.3 GB + 1% of the weights). Ollama is closer to 0.9 GB + 3%, LM Studio closer to 1 GB + 3%.
No display reserve on this device.
Usable memory for this profile is 36.0 GB.

Mistral Medium 3.5 128B — Heavily degraded, UD-IQ2_XXS, 8.2–11 tok/s (estimate)
Mistral Small 4 119B 2603 — Heavily degraded, UD-IQ2_XXS, 21–28 tok/s (estimate)
Llama 4 Scout 17B 16E Instruct — Heavily degraded, UD-IQ1_M, 19–26 tok/s (estimate)

Updated 2026-10-24. Profile on this page is the device default.