AI Knowledge Tailored to Your Stack
Docs, codebases, libraries, languages—upload one or combine them all, and get instant, expert-level AI guidance to write code, solve problems, and master new tools.
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Paste a documentation link, explain your problem, and the solution is here. Voila.
Reading Documentation Is History
Drop in documentation from any library, no matter how niche, and instantly have an AI that knows it inside-out—ready to write code, answer questions, and guide you step-by-step.
Get knowledge directly from your source—always current, relevant, and free from outdated ChatGPT jibbering.
Expert-Level Mentor for Complex, Specialized Fields
Whether you’re a kernel developer, working with low-level systems, or navigating niche tech stacks, Second Brain is here to help.
Just upload a book or any other source of truth, and get precise, targeted AI guidance that understands your unique challenges—no more generic responses or limitations like traditional AIs.
Knowledge Directly from Your Sources
Second Brain works exclusively with the technical content you provide—books, videos, codebases, API docs, libraries, and more—ensuring that solutions and insights are 100% based on your resources.
If it doesn’t have the answer, it simply says, “I don’t know,” keeping guidance accurate and on-target. Need insights beyond your uploads?
Switch to Ask Anything Mode for broader development knowledge outside your source material.
Why Second Brain?
Do you know when ChatGPT gives you answers that sound 100% correct, but end up being nonsense? That doesn’t happen with Second Brain.
Unlike general AIs, Second Brain works only with the content you upload—be it a book, video, or technical docs—becoming your expert mentor.
You get precise, accurate answers tailored to your exact needs, solving everything from debugging to complex coding challenges without the guesswork.
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 for researchers, marketers, business leaders, developers, students, content creators, and anyone who wants to save, organize, and interact with their knowledge. It’s perfect for tasks like detailed research, planning, note-taking, and managing complex projects.
Second Brain focuses exclusively on the content you provide—no generic or off-topic answers. Whether you're saving AI chat insights, uploading documents, or combining multiple sources, Second Brain ensures precise, document-based responses tailored to your needs. Plus, with Memory and the Chrome Extension, it offers seamless saving, organization, and searchability for all your knowledge.
So much wisdom is lost when using other AI tools - but not with Second Brain.
Second Brain combines three key features:
- AI Chat: Upload documents (books, PDFs, articles, videos, GitHub repos) and chat with your content to get summaries, insights, and actionable steps.
- Memory: Save AI conversations, manually add notes, or capture external content—all stored in expandable, organized documents.
- Chrome Extension: Save anything you find online with a single click.
Together, these features help you build an AI-powered virtual memory to store, organize, and interact with your knowledge seamlessly.
Memory is your AI-powered virtual archive for organizing and retrieving information. You can:
- Save AI Chat Responses: Turn valuable AI-generated insights into organized, expandable documents.
- Manually Add Content: Store notes, links, images, and code snippets to build your Second Brain.
- Auto-Save Content via the Chrome Extension: Save text, images, webpages, and screenshots with a single click.
Everything in Memory is searchable, organized, and easy to extend, so you can keep building your knowledge over time.
Memory items are extendable documents where you can organize and build on your knowledge. Each Memory item allows you to:
- Add headings to structure your content.
- Include to-do lists for actionable steps.
- Insert images, code blocks, and rich text.
- Save and organize AI chat responses or manually added notes.
- And way more.
Memory is flexible and easily searchable, making it perfect for tasks like project planning, research organization, brainstorming, and knowledge building.
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 enabling you to interact with saved content using AI. Export insights, chat with saved notes, and organize everything seamlessly in your virtual Memory.
Absolutely! Second Brain is designed to be your digital, AI-powered assistant. Whether you’re saving insights, organizing documents, or chatting with your knowledge, our platform helps you implement and scale your Second Brain system effortlessly.
The Second Brain Chrome Extension allows you to save text, images, webpages, and screenshots directly into your Memory. With one click, content is auto-organized and instantly searchable in your Second Brain. It's the perfect tool for capturing insights, research, or inspiration while browsing the web.
Second Brain eliminates guesswork and information overload by providing clear, accurate answers from your chosen sources. Save and organize content, chat with documents, and plan projects—all in one place. With powerful tools like Memory and the Chrome Extension, you’ll work faster, stay organized, and produce better results.
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