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 relying on ChatGPT for in-depth analysis, report writing, or literature reviews, where the previous chat-style output could be cumbersome for extended content. This update is part of OpenAI's ongoing efforts to refine ChatGPT for professional and research-oriented tasks. By improving the presentation and handling of complex outputs, the company is strengthening ChatGPT's utility as a tool for serious information synthesis and knowledge work, moving beyond conversational novelty toward practical p