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Background

ChatHub was created at a time when AI models were far less capable than they are today. Our goal was to compare responses from multiple models and arrive at answers we could trust with greater confidence. As models have improved, their responses have become increasingly convincing. Yet the fundamental nature of large language models means they can still produce inaccurate or poorly supported conclusions—often when we least expect it. So, while we continue to use AI for increasingly complex tasks, we also want to understand the reasoning and evidence behind its answers, particularly in situations where rigorous support matters. That is why we built ChatHub Notebook.

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Introduction

ChatHub Notebook is a new feature distinct from ChatHub’s core multi-model chat comparison experience. Designed for productivity workflows, it focuses on organizing and synthesizing long-form content—especially PDFs, audio, books, and other extremely lengthy materials—to deliver an entirely new research experience. ChatHub Notebook is currently in beta, and its features may evolve rapidly. If you uncover any important findings, we strongly recommend saving them right away.