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text model · LFM · macOS

Can I run LFM2 700M on Apple M4 (24GB)?

Compatibility verdict VRAM threshold engine
Yes, it runs GPU accelerated ~104 tok/s est.

Yes. LFM2 700M runs on Apple M4 (24GB) at Q4_K_M (~1.9 GB of ~16 GB usable).

Needs ~1.9 GB Device usable ~16 GB

Runs at Q4_K_M using ~1.9 GB of ~16 GB usable. You have room for FP16 for higher quality.

That figure is at a 4k context and moves about ±15% as context length changes. Apple M4 (24GB) leaves ~14.1 GB of headroom, room to step up to FP16 for higher quality.

Q4_K_M needed
~1.9 GB
Usable on device
~16 GB
Device memory
24 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~16 GB usable
Q2_K
~1.3 GB
Q3_K_M
~1.4 GB
Q4_K_M
~1.9 GB
Q5_K_M
~1.5 GB
Q6_K
~1.6 GB
Q8_0
~1.7 GB
FP16
~2.5 GB
The line marks Apple M4 (24GB)'s ~16 GB budget; rungs past it are too large.

Running cost · estimate

Power & economics est.
Power draw
~65 W
Electricity / 1M tokens
~$0.03
Pays for itself after
~2,764M tok

At ~$0.15/kWh and the estimated ~104 tok/s, a million generated tokens costs about $0.03 in electricity. Versus a hosted API at ~$0.5 per million tokens, the ~$1,299 Apple M4 (24GB) pays for itself after roughly 2,764 million tokens, so local hardware is mostly a fixed cost, not a per-token one. TDP is the peak draw, so this is an upper bound. Assumptions.

Run it

Install commands macOS

Pick your tool. All 2 load the same Q4_K_M weights.

llama.cpp
$ llama-cli -hf LiquidAI/LFM2-700M-GGUF:Q4_K_M
LM Studio
$ lms get LiquidAI/LFM2-700M-GGUF

How to run it

On macOS use LM Studio (Polished GUI, ships MLX on Apple Silicon, one-click model downloads.).

Model LFM
Parameters
0.742B
Q4_K_M size
0.92 GB
Q8_0 size
0.74 GB
Context
128k
Full LFM2 700M requirements →
Device macOS
Memory
24 GB unified
Usable for weights
~16 GB
Power draw
~65 W
Best runtime
Ollama (MLX backend, preview) / MLX direct
Best models for Apple M4 (24GB) →

You could also run

Run LFM2 700M on other hardware

FAQ

Can Apple M4 (24GB) run LFM2 700M?

Yes. LFM2 700M runs on Apple M4 (24GB) at Q4_K_M (~1.9 GB of ~16 GB usable).

How much memory does LFM2 700M need?

Apple M4 (24GB) has room to spare. At Q4_K_M the weights are ~0.92 GB; with KV cache and runtime overhead, budget ~1.9 GB at a 4k context.

What is the best tool to run LFM2 700M on macOS?

LM Studio for a simple setup; mlx-lm for the most speed. vLLM is NOT a Mac tool, it is a CUDA/Linux serving engine. Unified memory is not a fixed VRAM slice; ~70% is usable for weights.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.