Building a Document Contradiction Analyzer - Local Reasoning with Gemma 4

cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/placeholder.png This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I Built A document contradiction analyzer that finds logical inconsistencies across multiple documents and synthesizes them into a coherent narrative. It runs Gemma 4 31B entirely on local hardware, processing up to 128K tokens in a single inference pass. The problem it solves: Organizations dealing with policy versioning, regulatory compli