Can Yi Coder 9B Chat run on MacBook Pro M4 Pro 24GB?

Q: Is unified memory on MacBook Pro M4 Pro 24GB as fast as VRAM for Yi Coder 9B Chat?

Not always. MacBook Pro M4 Pro 24GB can often fit larger models thanks to unified memory, but a discrete GPU with dedicated high-bandwidth VRAM may still decode faster once the model fits. For this combination, the important distinction is capacity versus sustained throughput.

YES — Runs Great

C51Usable

Estimated — low-sample bucket· few comparable runs

Yi Coder 9B Chat needs ~10.0 GB VRAM. MacBook Pro M4 Pro 24GB has 17.3 GB. With Q4_K_M quantization, expect ~35 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: LowStack: StandardBottleneck: Balanced

Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 10.0 GB, 35.2 tok/s, Runs well

10.0 GB required17.3 GB available

58% VRAM used

Fit status

Runs well

Decode

35.2 tok/s

TTFT

5496 ms

Safe context

126K

Memory

10.0 GB / 17.3 GB

Memory breakdown

Weights5.5 GB

KV Cache1.1 GB

Runtime0.9 GB

Headroom2.6 GB

See how fast it feels

See how fast it feelsYi Coder 9B Chat on MacBook Pro M4 Pro 24GB
1st promptCold start — includes initialization
>Write a Python function to sort a list
Here's a Python function that sorts a list using quicksort:

def quicksort(arr):
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

# Example usage
numbers = [3, 6, 8, 10, 1, 2, 1]
print(quicksort(numbers))  # [1, 1, 2, 3, 6, 8, 10]

The algorithm picks a pivot, partitions the list into smaller, equal, and larger elements, then recursively sorts each partition and concatenates the results.
2nd promptWarm — model ready, no init overhead
>Now add type hints and a docstring
def quicksort(arr: list[int]) -> list[int]:
    """Sort a list using the quicksort algorithm.

    Args:
        arr: List of integers to sort.

    Returns:
        A new sorted list.
    """
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

Added type hints for the input and return type, plus a Google-style docstring.
Estimated: 35.2 tok/s decode · 5.5s TTFT (warm) · 88 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

Shared-memory contention still exists

The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.

Best improvement path

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	C	Runs well	35.2 tok/s	2998 ms	126K
Coding	C	Runs well	35.2 tok/s	5496 ms	126K
Agentic Coding	C	Runs well	35.2 tok/s	7994 ms	126K
Reasoning	C	Runs well	35.2 tok/s	6495 ms	126K
RAG	C	Runs well	35.2 tok/s	9992 ms	126K

Quantization options

How Yi Coder 9B Chat (9B params) fits at each quantization level on MacBook Pro M4 Pro 24GB (17.3 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.5 GB	Low	C47
Q3_K_S	3	4.4 GB	Low	C48
NVFP4	4

Get started

Copy-paste commands to run Yi Coder 9B Chat on your machine.

Run

lms load hf-maziyarpanahi--yi-coder-9b-chat-gguf && lms server start

Upgrade options

Hardware that runs Yi Coder 9B Chat well

RX 7900 XT 20GBBudget pick

800 GB/s (+527)

Raises estimated decode speed by about 148%.87.4 tok/s decode

Raises estimated decode speed by about 148%.

~$899 MSRP

RTX A4500 20GBBest value

640 GB/s (+367)

Raises estimated decode speed by about 158%.90.9 tok/s decode

Raises estimated decode speed by about 158%.

~$2,000 MSRP

Frequently asked questions

Can MacBook Pro M4 Pro 24GB run Yi Coder 9B Chat?

Yes, MacBook Pro M4 Pro 24GB can run Yi Coder 9B Chat with a C grade (Runs well). Expected decode speed: 35.2 tok/s.

How much VRAM does Yi Coder 9B Chat need?

Yi Coder 9B Chat (9B parameters) requires approximately 10.0 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi Coder 9B Chat?

The recommended quantization for Yi Coder 9B Chat is Q4_K_M, which balances quality and memory efficiency.

What speed will Yi Coder 9B Chat run at on MacBook Pro M4 Pro 24GB?

On MacBook Pro M4 Pro 24GB, Yi Coder 9B Chat achieves approximately 35.2 tokens per second decode speed with a time-to-first-token of 5496ms using Q4_K_M quantization.

Can MacBook Pro M4 Pro 24GB run Yi Coder 9B Chat for coding?

For coding workloads, Yi Coder 9B Chat on MacBook Pro M4 Pro 24GB receives a C grade with 35.2 tok/s and 126K context.

What context window can Yi Coder 9B Chat use on MacBook Pro M4 Pro 24GB?

On MacBook Pro M4 Pro 24GB, Yi Coder 9B Chat can safely use up to 126K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

Is unified memory on MacBook Pro M4 Pro 24GB as fast as VRAM for Yi Coder 9B Chat?

See all results for MacBook Pro M4 Pro 24GB See all hardware for Yi Coder 9B Chat

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