ChatGPT's Deep Research Tool Adds Full-Screen Document Viewer

OpenAI has rolled out a significant usability upgrade for ChatGPT's Deep Research feature, introducing a built-in, full-screen document viewer. This enhancement allows users to open AI-generated research reports and long-form content in a separate, dedicated window, distinct from the main chat interface. The new viewer supports scrolling, navigation, and improved text formatting, making it far easier to read, analyze, and reference lengthy documents. This addresses a key pain point for users re