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Three large processor modules with metal heat sinks and three smaller circuit boards arranged on a gray concrete surface
Article · aiDeep read

Quantization Explained: What Q4, Q8, and FP16 Actually Do to a Local Model

Quantization shrinks AI model weights from 16-bit floats to 4- or 8-bit. Here is exactly what that trade-off costs you, and how to pick between Q4_K_M, Q8, and FP16 for the model you actually want to run, with an interactive memory calculator.

Ahmad J · Aug 6, 2026 · 8 min read