Run Gemma 3 12B on M5 Max

Yes — Gemma 3 12B (12B) runs at 68 tok/s on M5 Max with 64 GB RAM using Q4_K_M quantization via Ollama. First token latency is 0.6s. Google's 12B model offering strong reasoning for mid-range Macs.

Speed
68
tok/s
First Token
0.6
seconds
RAM Needed
64
GB minimum
Engine
Ollama
recommended

Benchmark Details

LLMCheck measured Gemma 3 12B on M5 Max using the standard methodology: Q4_K_M quantization, 256-token input, 512-token output, 3 runs averaged on a freshly-booted system.

MetricValue
Tokens per second68 tok/s
Time to first token0.6s
QuantizationQ4_K_M
Minimum RAM64 GB
Recommended engineOllama
Parameters12B
Benchmark date2026-03

Q4_K_M 12B Ollama M5 Max

Setup Guide: Run Gemma 3 12B on M5 Max

The recommended engine for Gemma 3 12B on M5 Max is Ollama. Install Ollama, then pull the model:

ollama run gemma3:12b

Ollama handles quantization automatically — it will download the Q4_K_M variant (~64 GB) and start an interactive chat session.

Performance on Other Apple Silicon Chips

ChipSpeedFirst TokenMin RAMEngine
M4 Pro 52 tok/s 0.7s 24 GB MLX
M3 38 tok/s 1.1s 16 GB Ollama
M2 32 tok/s 1.3s 16 GB Ollama

System Requirements

To run Gemma 3 12B on M5 Max you need:

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