The video introduces GPT-Researcher, an AI-based autonomous agent designed to conduct comprehensive online research on any given topic. It addresses the limitations of current language models (LMs) by providing detailed, factual, and unbiased reports, utilizing a combination of planning and execution processes inspired by recent advancements in AI research. The GPT-Researcher leverages APIs to fetch real-time information, ensuring up-to-date and relevant results. The video also guides viewers through the installation and usage of GPT-Researcher, highlighting its ability to generate extensive reports and aggregate data from multiple web sources.