Run Bonsai 27B on M4

Yes — Bonsai 27B (27B) runs at 22 tok/s on M4 with 16 GB RAM using 1-bit quantization via MLX. First token latency is 0.3s. A capable open-source LLM with 27B parameters.

Speed
22
tok/s
First Token
0.3
seconds
RAM Needed
16
GB minimum
Engine
MLX
recommended
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Benchmark Details

The LLMCheck index estimates Bonsai 27B on M4 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 second22 tok/s
Time to first token0.3s
Quantization1-bit
Minimum RAM16 GB
Recommended engineMLX
Parameters27B
Benchmark date2026-08

1-bit 27B MLX M4

Setup Guide: Run Bonsai 27B on M4

The recommended engine for Bonsai 27B on M4 is MLX. Install with pip and pull the model:

pip install mlx-lm
mlx_lm.generate --model mlx-community/bonsai-27b-1-bit --prompt "Hello!"

Alternatively, you can use Ollama for a simpler setup:

ollama run bonsai-27b

System Requirements

To run Bonsai 27B on M4 you need:

🛒 Get a Mac that runs Bonsai 27B

Bonsai 27B needs about 16 GB of unified memory. These current Apple Silicon Macs have the headroom to run it comfortably:

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