Start with any topic, question, or PDF. Periplus creates a structured course with connected explanations, quizzes, and flashcards.
50,000+ learners studying
Artificial Intelligence
Explore documents, build courses, and make learning last

Every document links onward. Open documents side by side, follow the graph, and see how ideas connect.
Start exploring
Generate a full course on any topic as a structured learning path. Each node comprises complete documents: read, branch, go deeper.
Generate a course
Everything you explore is kept and organized for you. Search it, categorize it, come back to it anytime.
Start building your library
Any document becomes quizzes and flashcards. Spaced repetition keeps what you learn from fading.
Remember moreEvery chapter of your course becomes a podcast episode. Press play and keep learning when you can't sit down to read.
Two hosts talk through the lessons of your own course, so you can keep learning on a walk or a commute.
Captions follow the voices word by word, and the full transcript is one tap away.
Ask a question out loud. The hosts answer it, then pick up where they left off.

Start anywhere, follow the links, and learn by doing.
Start with any topic or question, from quantum physics to gardening

Masterpieces and techniques of da Vinci

Culture, religion and achievements
Every document links to related topics. Follow what interests you

Documents come alive through maps, math, flashcards and quizzes.

There are hundreds of AI tools. Here's what makes Periplus different from a chat window.
Quick answers before you start.
A full course on it, with chapters that build on each other. You read the lessons at your own pace, and quizzes and exams help you remember them. It lives in your library, so you can come back tomorrow and keep going.
Yes. You can create courses and take quizzes on the free plan, and you don't need a credit card. If you hit the limits, Premium removes them.
ChatGPT is a conversation. Periplus is a course, with lessons in the right order and exams that show what you missed. When you want to dig into a detail, every lesson has its own chat.
Yes, on Premium. Give Periplus a lecture or a paper and it builds the course around your material. You can also just chat with the PDF and ask it questions.
Yes. Every chapter of a course can play as a podcast episode, with two hosts talking through its lessons. You get captions and a transcript, and you can ask the hosts a question while you listen.
More than a raw chatbot. Periplus checks lessons for hallucinations before you see them, and deep research on Premium pulls in web sources you can open yourself.
Yes. Pick your language at signup or change it in settings, and everything Periplus generates will be in it.
Pick any topic and get a tailored course.