AI Chat with Anything—Build Your Second Brain Today
Books, PDFs, YouTube videos, websites, articles, GitHub repos—analyze one or combine them all to build your second brain and get the answers you need, fast and focused.
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Combine Knowledge from Multiple Sources to Create Tailored, Actionable Strategies Instantly
Chat with Anything, in Any Language
Engage with content in real-time, from books to technical PDFs, YouTube videos, GitHub repos, or a combination of them all. Second Brain synthesizes and delivers information in a clear, conversational format.
Upload a book in Spanish, ask questions in English, and get accurate responses. Second Brain synthesizes and delivers information in a clear, conversational format, helping you build a second brain that works for you.
From Research to Execution in Minutes
Stop wasting days on data gathering and idea organization. Using the Second Brain method, our platform performs deep research and turns it into actionable, step-by-step plans.
Whether you're building a marketing strategy, writing a report, or preparing for a meeting, Second Brain gives you the insights and framework to get things done—fast.
Knowledge Directly from Your Sources
Second Brain works exclusively with the materials you provide—books, PDFs, articles, and more—ensuring that insights and plans are 100% based on your content.
If it doesn’t know the answer, it says, “I don’t know,” keeping everything accurate and focused.
And if you need to go beyond your documents? Switch to Ask Anything Mode for answers on broader topics outside your uploads.
Why Second Brain?
Save days of work by doing research, planning, and execution in minutes.
Powered by superintelligence, Second Brain focuses precisely on anything you choose—books, videos, code repositories, or articles.
Unlike other AI, it responds only from your provided context, so you get clear, accurate insights with no off-topic or generic answers, ever.
Whether you use Notion, Evernote, or OneNote, our platform complements your favorite tools, enhancing your Second Brain system for better productivity.
Without Second Brain
9 hours
With Second Brain
5 mins
Pricing plans
Flexible options to match your workflow and goals
Frequently asked questions
Second Brain is ideal for researchers, marketers, business leaders, developers, content creators, and anyone who needs quick, in-depth insights from multiple sources. It’s perfect for tasks that require detailed research, planning, or strategic execution.
Second Brain focuses exclusively on the content you upload, ensuring answers come only from your sources—no off-topic or generic information. It also supports combining multiple resources, turning research into actionable steps, and handling documents in various formats and languages.
Upload any combination of documents—books, PDFs, videos, GitHub repos, or articles—then ask questions or request insights. Second Brain pulls from your sources to provide targeted, precise answers, with an option to create actionable plans from your research.
Credits ensure you get high-quality processing for each request. They cover the resources needed to analyze your content accurately and allow Second Brain to provide focused, document-based insights tailored to your needs.
The credits you need depend on the complexity of the documents you upload, the length of your conversations, and the AI models you choose. Here’s a simple guide:
- Basic Plan: Ideal for occasional use of Second Brain.
- Pro Plan: Perfect if you plan to use Second Brain regularly, almost every day, for in-depth research and planning.
- Ultimate Plan: Best for power users who rely on Second Brain daily, with multiple conversations and complex projects.
Not sure which plan is right for you? Start with a lower plan to see how much you use—you can always buy more credits or upgrade as needed.
The Second Brain method is a system for knowledge management that helps you capture, organize, and retrieve information efficiently. Our platform enables you to implement this method by integrating your documents and sources into one accessible place.
Second Brain complements tools like Notion, Evernote, and OneNote by allowing you to chat with and extract insights from your stored information, enhancing your existing Second Brain system.
Absolutely! Our platform is designed to help you build your Second Brain by seamlessly integrating and interacting with your knowledge sources.
Second Brain provides precise answers drawn only from your chosen documents, eliminating guesswork. With tailored insights and easy-to-follow plans, you gain a competitive edge—producing high-quality work faster, whether you're strategizing, developing, or conducting in-depth research.
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