willitrun·ai

Can Hermes 4.3 36B run on MacBook Pro M4 32GB?

YES — With Q3_K_S

D35Poor
Estimated — low-sample bucket· few comparable runs

Hermes 4.3 36B needs ~26.2 GB VRAM. MacBook Pro M4 32GB has 23.0 GB. With Q3_K_S quantization, expect ~7 tok/s.

Runtime: llama.cppCapacity: OffloadBandwidth: Very lowStack: StandardBottleneck: Host offload
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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.

Hermes 4.3 36B at Q4_K_M needs 30.5 GB — too much for MacBook Pro M4 32GB (23.0 GB). Runs at Q3_K_S (26.2 GB) with low quality. 2 quantization levels fit.
Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) 30.5 GB, exceeds 23.0 GB available
30.5 GB required23.0 GB available
133% VRAM needed

7.5 GB over capacity — needs offload or smaller quantization

Fit status

Too heavy

Decode

4.8 tok/s

TTFT

40503 ms

Safe context

4K

Memory

30.5 GB / 23.0 GB

Offload

20%

Memory breakdown

Weights22.0 GB
KV Cache4.2 GB
Runtime0.9 GB
Headroom3.5 GB

See how fast it feels

With memory offload — actual speed may be lower
See how fast it feelsHermes 4.3 36B on MacBook Pro M4 32GB
1st promptCold start — includes initialization
>Solve: If a train travels at 60 mph for 2.5 hours, how far does it go?
Let me work through this step by step. Given information: - Speed = 60 mph (miles per hour) - Time = 2.5 hours Formula: Distance = Speed x Time Calculation: Distance = 60 mph x 2.5 h = 150 miles The train travels 150 miles. Double-check: at 60 mph the train covers 60 miles each hour. In half an hour it covers 30 miles. So in 2.5 hours: 60 + 60 + 30 = 150 miles. Confirmed.
2nd promptWarm — model ready, no init overhead
>What if the train stops for 20 minutes halfway?
The stop doesn't change the total distance covered while moving, but it affects total trip time. Breakdown: - First half: 1.25 hours at 60 mph = 75 miles - Stop: 20 minutes (no distance) - Second half: 1.25 hours at 60 mph = 75 miles Total distance: 150 miles (same) Total time: 2.5 h + 0.33 h = 2.83 hours Average speed: 150 / 2.83 = 53 mph The distance stays the same but average speed drops to 53 mph because of the stop.
Estimated: 4.8 tok/s decode · 40.5s TTFT (warm) · 12 tok/s prefill

What limits this setup

It fits through host-memory offload, and offload is the main reason performance drops.

CPU or host-memory offload is active

About 10% of the working set spills out of accelerator memory, which usually hurts latency and sustained decode throughput.

Very little memory headroom

You can run the model, but there is not much room left for longer context, bigger batches, extra apps, or future model updates.

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

Remove offload with more accelerator memory

Prioritize a GPU or unified-memory tier that fits the whole model natively. Removing offload usually helps more than small compute gains.

Buy headroom, not only minimum fit

A slightly larger memory tier gives you safer context growth and makes the recommendation more future-proof.

Increase host RAM if you keep offloading

This setup may need roughly 2.1 GB of extra host RAM just for the offloaded portion, before OS and other tools.

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatFToo heavy5.2 tok/s20266 ms4K
CodingFToo heavy4.8 tok/s40503 ms4K
Agentic CodingFToo heavy4.1 tok/s68432 ms4K
ReasoningFToo heavy4.8 tok/s47867 ms4K
RAGFToo heavy4.1 tok/s85540 ms4K

Inference speed

Hermes 4.3 36B inference speed — tokens per second by GPU & Mac

Estimated decode speed (tokens/sec) for Hermes 4.3 36B at Q4_K_M across popular GPUs and Apple Silicon, including multi-GPU rigs, using the fastest local runtime per device. Fastest is RTX 5090 32GB at ~55 tok/s. Speed is memory-bandwidth bound, so cards that fit the whole model in VRAM run far faster than ones that offload to system RAM.

GPU / MacMemoryQuantSpeed (tok/s)Fits?
NVIDIARTX 5090 32GB
32 GBQ4_K_M54.7Offloads
2× RX 7900 XTX 24GB
48 GBQ4_K_M53.5Fits
NVIDIA2× RTX 4090 24GB
48 GBQ4_K_M28.1Fits
MacBook Pro M4 Max 128GB
128 GBQ4_K_M27.3Fits
MacBook Pro M4 Max 64GB
64 GBQ4_K_M27.3Fits
NVIDIA2× RTX 3090 24GB
48 GBQ4_K_M25.8Fits
Mac Studio M3 Ultra 256GB
256 GBQ4_K_M25.4Fits
NVIDIA4× RTX 3060 12GB
48 GBQ4_K_M22.7Fits
Mac Studio M2 Ultra 128GB
128 GBQ4_K_M21.1Fits
Mac Studio M1 Ultra 128GB
128 GBQ4_K_M20.0Fits
MacBook Pro M4 Pro 48GB
48 GBQ4_K_M17.2Tight
NVIDIARTX 4090 24GB
24 GBQ4_K_M16.6Too big
RX 7900 XTX 24GB
24 GBQ4_K_M15.3Too big
NVIDIARTX 3090 24GB
24 GBQ4_K_M14.2Too big
MacBook Pro M3 Max 64GB
64 GBQ4_K_M10.9Fits
MacBook Pro M1 Max 64GB
64 GBQ4_K_M10.0Fits
NVIDIARTX 4080 Super 16GB
16 GBQ4_K_M6.0Too big
NVIDIARTX 4070 12GB
12 GBQ4_K_M2.6Too big
NVIDIARTX 3060 12GB
12 GBQ4_K_M2.0Too big
NVIDIARTX 4060 8GB
8 GBQ4_K_M2.0Too big

Estimates for single-stream decoding at Q4_K_M; real tokens/sec varies with prompt length, context, batch size, and runtime build. Prompt processing (prefill) is faster than the decode figures shown here.

Quantization options

How Hermes 4.3 36B (36B params) fits at each quantization level on MacBook Pro M4 32GB (23.0 GB usable).

QuantBitsVRAMQualityFit
Q2_KBest for your GPU
2
14.0 GB
LowC50
Q3_K_S
3
17.6 GB
LowF0
NVFP4
4
20.2 GB
MediumF0
Q4_K_M
4
22.0 GB
MediumF0
Q5_K_M
5
25.9 GB
HighF0
Q6_K
6
29.5 GB
HighF0
Q8_0
8
38.5 GB
Very HighF0
F16
16
73.8 GB
MaximumF0

Get started

Copy-paste commands to run Hermes 4.3 36B on your machine.

Run

lms load hf-nousresearch--hermes-4-3-36b-gguf && lms server start

Opciones de mejora

Hardware que ejecuta bien Hermes 4.3 36B

Frequently asked questions

Can MacBook Pro M4 32GB run Hermes 4.3 36B?

Yes, MacBook Pro M4 32GB can run Hermes 4.3 36B at Q3_K_S quantization (Very compromised (needs ~2.1 GB host RAM)). The recommended Q4_K_M requires 30.5 GB which exceeds available memory, but at Q3_K_S it needs only 26.2 GB. Expected decode speed: 6.7 tok/s.

How much VRAM does Hermes 4.3 36B need?

Hermes 4.3 36B (36B parameters) requires approximately 30.5 GB at Q4_K_M quantization. On MacBook Pro M4 32GB, it fits at Q3_K_S using 26.2 GB.

What is the best quantization for Hermes 4.3 36B?

The recommended quantization is Q4_K_M, but on MacBook Pro M4 32GB the best fitting quantization is Q3_K_S, which uses 26.2 GB.

What speed will Hermes 4.3 36B run at on MacBook Pro M4 32GB?

On MacBook Pro M4 32GB, Hermes 4.3 36B achieves approximately 6.7 tokens per second decode speed with a time-to-first-token of 28962ms using Q3_K_S quantization.

Can MacBook Pro M4 32GB run Hermes 4.3 36B for coding?

For coding workloads, Hermes 4.3 36B on MacBook Pro M4 32GB receives a F grade with 4.8 tok/s and 4K context.

What context window can Hermes 4.3 36B use on MacBook Pro M4 32GB?

On MacBook Pro M4 32GB, Hermes 4.3 36B can safely use up to 4K tokens of context at Q3_K_S quantization. The model's official context limit is —, but available memory constrains the safe maximum.

What should I upgrade first if Hermes 4.3 36B feels slow on MacBook Pro M4 32GB?

Remove offload with more accelerator memory. Prioritize a GPU or unified-memory tier that fits the whole model natively. Removing offload usually helps more than small compute gains.

Is unified memory on MacBook Pro M4 32GB as fast as VRAM for Hermes 4.3 36B?

Not always. MacBook Pro M4 32GB 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.

See all results for MacBook Pro M4 32GBSee all hardware for Hermes 4.3 36B
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