Learn from any file.
Turn PDFs, links and YouTube videos into podcasts, quizzes, flashcards and mind maps.
Made for students
Lecture slides, readings, problem sets and exams that all land in the same week. Zemith explains the hard parts, turns your material into quizzes and flashcards, and gives feedback on your drafts.

Turn this week's lecture slides into a quiz with 15 multiple-choice questions and explain each answer.
Turn lecture PDFs, readings and YouTube lectures into flashcards, quizzes, mind maps or a podcast you can listen to on the way to class.
Explain eigenvalues like I'm in my first linear algebra course, then walk me through one worked example.
Ask for step-by-step explanations at your level, then ask again a different way until it makes sense.
Read my essay draft on the causes of World War I. Point out where my argument is weak and where I need more evidence.
Upload a draft and get comments on structure, argument and clarity, so the writing stays yours.
Find recent research on the effects of social media on teen sleep and list the key studies with links.
Deep research reads dozens of sources and returns a cited overview you can use to find what to read next.
Turn PDFs, links and YouTube videos into podcasts, quizzes, flashcards and mind maps.
Rewrite, shorten, expand or translate any line of your notes in one click.
Deep research reads dozens of sources and writes a report with citations.
Ask once and get docs, slides, sheets and PDFs that are ready to send.
Turn docs and notes into natural audio, in many voices or your own.
Projects keep your files, chats and instructions together, so every answer starts with context.
Save money and stop switching between apps.
Use the latest models from OpenAI, Anthropic, Google and xAI, plus leading open models like DeepSeek, Qwen and Kimi.
Switch any time, even in the middle of a chat.
Chat, search, voice and files, plus workflows, schedules, study tools, voice and image tools. One subscription.
The top models, plus image, video and voice tools, in one plan.
Without Zemith
Total if paying separatelyUS$155.98/mo
"I love the way multiple tools they integrated in one platform. Going in the right direction."
— simplyzubair
"The quality of data and sheer speed of responses is outstanding. I use this app every day."
— barefootmedicine
"The credit system is fair, models are perfect, and the discord is very responsive. Quite awesome."
— MarianZ
"Just works. Simple to use and great for working with documents. Money well spent."
— yerch82
"The organization of features is better than all the other sites — even better than ChatGPT."
— sumore
"It lives up to the all-in-one claim. All the necessary functions with a well-designed, easy UI."
— AlphaLeaf
"The team clearly puts their heart and soul into this platform. Really solid extra functionality."
— SlothMachine
"Updates made almost daily, feedback is incredibly fast. Just look at the changelogs — consistency."
— reu0691
Yes. The Library turns PDFs, websites and YouTube videos into flashcards, quizzes, mind maps, podcasts and summaries. You can share a quiz with classmates by link.
Yes. It explains problems step by step, and it can run Python in a sandbox to check calculations or plot graphs.
Yes. Zemith runs on the web, iOS and Android, so you can study from your laptop or your phone.
Yes. GPT, Claude, Gemini, DeepSeek and more are in one app, and you can switch models mid-chat to compare explanations.
Start free on the web, iOS or Android.
No credit card required