From a question to a brief you can check.
Start with a focused question. Choose literature search for academic evidence, web research for broader topics, or a source notebook when you already have the documents. Open the citations before using the conclusions.
Compare task requirements and candidates →Research a question and follow the links behind the answer.
Why it fits Advanced search combines several web searches into a sourced answer that can be refined with follow-up questions.
PrepareA focused research question
GetA synthesized answer with source links
ReviewRead the underlying sources and check key claims
AI research agent and search over scientific literature.
Why it fits Elicit states it searches 138M+ academic papers and 545k clinical trials and generates fully cited reports and evidence tables.
PrepareA research question
GetCited research reports
ReviewType a research question
Agentic multi-step web research in ChatGPT that returns a cited report.
Why it fits OpenAI describes deep research as an agentic capability that conducts multi-step internet research and returns a fully cited report.
PrepareA research question or prompt
GetA cited research report in the chat
ReviewSelect deep research in the ChatGPT composer and enter the query
Source-grounded notebook assistant for research and synthesis.
Why it fits Google's help center lists creating notebooks, adding sources, and generating reports, mind maps, audio/video overviews, flashcards, and slide decks.
PrepareUploaded or linked sources such as docs, PDFs, slides, and URLs
GetGrounded summaries and answers
ReviewCreate a notebook
Editorial selection based on documented capabilities. Read each product's sources, pricing and limits before choosing.