OpenAI Upgrades ChatGPT Deep Research Feature

OpenAI has launched significant upgrades to its Deep Research feature in ChatGPT, introducing a fullscreen document viewer and enhanced controls for more precise and user-friendly research reports. The updates, which rolled out initially to paid subscribers on February 10, aim to transform the tool into a more reliable assistant for in-depth investigations by allowing users to guide the process and verify sources more easily.

The new fullscreen viewer separates research reports from the standard chat interface, providing a dedicated space for reading lengthy documents without the clutter of ongoing conversations. A table of contents appears in a left-hand column, enabling quick jumps to specific sections and eliminating the need for extensive scrolling. On the right, an expandable panel displays all citations and sources, allowing users to cross-check information directly within the viewer. Once complete, reports can be exported in formats such as PDF, Word, or Markdown for further use or sharing.

A key enhancement focuses on directing the research toward trusted inputs. Users can now specify particular websites or connected applications to prioritize, restricting the AI's web...