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Compare serving quantization options, FP8, INT8, INT4, GPTQ, AWQ. What breaks, and how do you decide?

Bits buy bandwidth, bandwidth buys tokens, until quality quietly craters on code and math. A decision framework with the numbers, what GPTQ and AWQ actually do differently, and the eval discipline that keeps you out of trouble.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Bits buy bandwidth, bandwidth buys tokens, until quality quietly craters on code and math. A decision framework with the numbers, what GPTQ and AWQ actually do differently, and the eval discipline that keeps you out of trouble.

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