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FP16 vs FP8 vs INT4 Inference Cost: Quality and GPU Fit

A 2026 guide to quality-adjusted GPU inference cost, comparing FP16/BF16, FP8 and exact INT4/FP4 recipes with a compatibility crosswalk, integer GPU-fit examples, acceptance gates and a Python calculator.

October 15, 2026• 24 min read
fp16 vs fp8 vs int4 inference costfp8 inferenceint4 quantization