Run Llama 4 Scout on M4 Ultra

Yes — Llama 4 Scout (109B) runs at 30 tok/s on M4 Ultra with 192 GB RAM using Q4_K_M quantization via MLX. First token latency is 1.3s. Meta's 109B Llama 4 Scout MoE model with a 10M-token context window.

Speed
30
tok/s
First Token
1.3
seconds
RAM Needed
192
GB minimum
Engine
MLX
recommended
Want to run Llama 4 Scout faster — or step up to bigger models? Find your Mac →

Benchmark Details

The LLMCheck index estimates Llama 4 Scout on M4 Ultra using our published methodology: Q4_K_M quantization, memory-bandwidth scaling, and cross-referenced third-party benchmarks where available. Figures are transparent estimates — own this config? Submit a real benchmark →

MetricValue
Tokens per second30 tok/s
Time to first token1.3s
QuantizationQ4_K_M
Minimum RAM192 GB
Recommended engineMLX
Parameters109B
Benchmark date2026-02

Q4_K_M 109B MLX M4 Ultra

Setup Guide: Run Llama 4 Scout on M4 Ultra

The recommended engine for Llama 4 Scout on M4 Ultra is MLX. Install with pip and pull the model:

pip install mlx-lm
mlx_lm.generate --model mlx-community/llama-4-scout-q4_k_m --prompt "Hello!"

Alternatively, you can use Ollama for a simpler setup:

ollama run llama4:scout

Performance on Other Apple Silicon Chips

ChipSpeedFirst TokenMin RAMEngine
M5 Max 26 tok/s 1.5s 128 GB MLX
M5 Max 22 tok/s 1.8s 128 GB Ollama

System Requirements

To run Llama 4 Scout on M4 Ultra you need:

🛒 Get a Mac that runs Llama 4 Scout

Llama 4 Scout needs about 192 GB of unified memory. These current Apple Silicon Macs have the headroom to run it comfortably:

As an Amazon Associate, LLMCheck earns from qualifying purchases. These affiliate links cost you nothing extra and help keep our benchmarks free.

Compare More Models

See how Llama 4 Scout stacks up against other models on your specific Mac hardware.

Open Compare Tool Full Leaderboard