Announcements#

Release notes, technical updates, examples, and deployment stories from the Model Optimizer team.

September 9, 2026 · Model Optimizer Team

Improving NVFP4 Accuracy with Local-Hessian Weight Scales

How Local-Hessian selects NVFP4 block scales to minimize layer output error, and how it compares with max, MSE, Four-over-six, and GPTQ.

local-hessianquantizationnvfp4calibrationmodelopt