Run Nanbeige4.2-3B on M5 Max

Yes — Nanbeige4.2-3B (3B) runs at 145 tok/s on M5 Max with 64 GB RAM using Q4_K_M quantization via MLX. First token latency is 0.2s. A capable open-source LLM with 3B parameters.

Speed
145
tok/s
First Token
0.2
seconds
RAM Needed
64
GB minimum
Engine
MLX
recommended
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Benchmark Details

The LLMCheck index estimates Nanbeige4.2-3B on M5 Max 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 second145 tok/s
Time to first token0.2s
QuantizationQ4_K_M
Minimum RAM64 GB
Recommended engineMLX
Parameters3B
Benchmark date2026-08

Q4_K_M 3B MLX M5 Max

Setup Guide: Run Nanbeige4.2-3B on M5 Max

The recommended engine for Nanbeige4.2-3B on M5 Max is MLX. Install with pip and pull the model:

pip install mlx-lm
mlx_lm.generate --model mlx-community/nanbeige42-3b-q4_k_m --prompt "Hello!"

Alternatively, you can use Ollama for a simpler setup:

ollama run nanbeige42-3b

Performance on Other Apple Silicon Chips

ChipSpeedFirst TokenMin RAMEngine
M4 88 tok/s 0.3s 16 GB Ollama
M2 68 tok/s 0.4s 8 GB Ollama

System Requirements

To run Nanbeige4.2-3B on M5 Max you need:

🛒 Get a Mac that runs Nanbeige4.2-3B

Nanbeige4.2-3B needs about 64 GB of unified memory. These current Apple Silicon Macs have the headroom to run it comfortably:

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