How much VRAM does Command A 111B need?

Command A 111B (111B parameters) requires approximately 101.3 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 M2 Ultra 128GB can run Command A 111B with a D grade (Very compromised). Expected decode speed: 7.5 tok/s.

DPoor

Very compromised

Using Q4_K_M in vLLM

Capabilities:

Fit status

Very compromised

Decode

7.5 tok/s

TTFT

25909 ms

Safe context

15K

Memory

101.3 GB / 92.2 GB

Offload

10%

Weights67.7 GB

KV Cache17.3 GB

Runtime2.4 GB

Headroom13.8 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	F	Too heavy	6.9 tok/s	41093 ms	25K
Chat	C	Runs with offload (needs ~0.3 GB host RAM)	6.8 tok/s	15432 ms	8K
Coding	D	Very compromised	7.5 tok/s	25909 ms	15K
RAG	F	Too heavy	6.9 tok/s	51366 ms	25K
Reasoning	D	Very compromised (needs ~6.1 GB host RAM)	6.7 tok/s	34315 ms

How Command A 111B (111B params) fits at each quantization level on Mac Studio M2 Ultra 128GB (92.2 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	43.3 GB	Low	D39
Q3_K_S	3	54.4 GB	Low	C42
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 MI250X 128GBBest value

C36.9 tok/s decode

~$15,000 MSRP

NVIDIA H200 141GBBiggest leap