Gemma 4 12B local setup thread — what's your hardware, quant, and use case? [D]

In three linesCommunity thread on Gemma 4 12B: users share hardware setups, quantizations (GGUF, MLX, BF16) and actual performance metrics (tokens/sec, context length). Discussion on 16GB laptop feasibility vs 32GB+, MLX vs GGUF speed on Apple Silicon, real-world multimodal usage.

Summary generated by Claude — human-verified