How much VRAM does Command A 111B need?

Command A 111B (111B parameters) requires approximately 115.1 GB of memory with Q4_K_M quantization.

What is the best quantization for Command A 111B?

The recommended quantization for Command A 111B is Q4_K_M, which balances quality and memory efficiency.

Can it run?

Yes, Mac Studio M3 Ultra 256GB can run Command A 111B with a C grade (Runs well). Expected decode speed: 7.9 tok/s.

CUsable

Runs well

Using Q4_K_M in vLLM

Capabilities:

Fit status

Runs well

Decode

7.9 tok/s

TTFT

24624 ms

Safe context

26K

Memory

115.1 GB / 184.3 GB

Weights67.7 GB

KV Cache17.3 GB

Runtime2.4 GB

Headroom27.6 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	7.9 tok/s	35817 ms	45K
Chat	C	Runs well	7.9 tok/s	13431 ms	14K
Coding	C	Runs well	7.9 tok/s	24624 ms	26K
RAG	C	Runs well	7.9 tok/s	44771 ms	45K
Reasoning	C	Runs well	7.9 tok/s	29101 ms	26K

How Command A 111B (111B params) fits at each quantization level on Mac Studio M3 Ultra 256GB (184.3 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	43.3 GB	Low	D34
Q3_K_S	3	54.4 GB	Low	D36
NVFP4	4

Ollama

ollama run command-a-111b

HuggingFace

huggingface-cli download command-a-111b

Upgrade options

AMD Instinct MI350X 288GBBudget pick

C86.3 tok/s decode

~$8,000 MSRP

AMD Instinct MI300X 192GBBest value

C61.1 tok/s decode

~$15,000 MSRP

H100 NVL 188GBBiggest leap