Scite AI
Introduction Here’s a thing most AI research tools can do: tell you a paper exists. Here’s a thing Scite tries to do instead: tell you what other scientists said about that paper afterward. Did later studies back it up? Push back on it? Or name-drop it on their way to something else? That difference matters […]
Gemini Notebook
Introduction If your research starts with a folder of PDFs, notes, transcripts, and web pages, the real question is simple: can the AI keep its answers tied to the evidence? Gemini Notebook is built for that source-bound workflow. Its value shifts when you need a broad, current-web research agent. Gemini Notebook is Google’s current name […]
Perplexity
Introduction Perplexity is an answer engine built around web retrieval. It searches the open web in real time, writes a concise response, and places numbered citations next to the claims it believes the sources support. Its current product description says it can route a question across several frontier models rather than making the reader choose […]
Claude Research
Introduction A research brief can look finished long before it is trustworthy. The sentences flow. The citations sit neatly at the bottom. Then someone opens a source and discovers it doesn’t quite say what the brief claims. We evaluated Claude with that gap in mind: the distance between an answer that reads well and one […]
Gemini Deep Research
Introduction Gemini Deep Research takes a broad question, proposes a research plan, searches and analyzes sources, then produces a report with links readers can inspect. Google introduced it inside Gemini Advanced in December 2024. It is a research workflow in the Gemini app, powered by Gemini models, rather than a separate product with its own […]
ChatGPT Research
Introduction ChatGPT is OpenAI’s general-purpose conversational AI. It can answer questions, analyze uploaded files, search the web, compare sources, summarize evidence, and turn research into a structured report. It works interactively, so the quality of the final answer depends on the model, the instructions, the available sources, and the follow-up checks. The first answer is […]