NOVA · AI Tutor
Free AI tutor NOVA · 此裝置上儲存的歷史記錄
NOVA · online
你想了解什麼？
從任何地方開始。我會根據您的水平與您會面，解釋不熟悉的單詞，並幫助您建立真正的理解，而不僅僅是記住答案。
或從一個問題開始
Meet NOVA
A free AI tutor you can talk to
NOVA is AI Understanding's AI tutor. Ask about anything in AI, from how ChatGPT works to what a token is or how to write a better prompt, and NOVA explains it in plain language, out loud and on screen, in your language.
Ask NOVA a questionGrounded in 2,900 guides
NOVA answers from AI Understanding's own library of nearly 2,900 guides and shows which ones it used, so you can read further or take the full quiz.
三種學習方式
Explain makes an idea clear. Socratic asks you questions so you reason it out yourself. Practice gives you exercises until it sticks.
Quiz me, instantly
Tap Quiz me after any answer for a multiple-choice question about what you just learned. Pick an answer, see why, and keep going as the questions get harder.
Pitched at your level
Choose Kid, Beginner, Comfortable or Expert. NOVA changes its words and depth to match, from playground analogies to the maths under the hood.
Talk, don't type
Tap Voice mode and just speak. NOVA answers out loud, lights up each word as it says it, then listens for your next question.
40 languages
Switch the site language and NOVA answers in it, with the whole deck translated. In most languages NOVA also speaks the answer aloud.
A hologram you can play with
Up to 480,000 particles and a glowing neural core whose synapses fire while NOVA thinks. Drag it a full 360°, scroll to zoom, dive inside the face, scatter it into a nebula, or change its colour.
私人設計
Your conversation is saved in your own browser, not in our learner database. Sign in only if you want it on your other devices too.
Free, from a nonprofit
NOVA is free for everyone, with no account needed. It is built by AI Understanding, a 501(c)(3) nonprofit funded by donations.
How learning with NOVA works
詢問
Type a question, tap a starter, or turn on Voice mode and say it.
了解
NOVA explains in plain language, with examples, and points you to a guide when one helps.
申請
Ask for a real-world example, switch to Practice, or let NOVA quiz you.
Questions about NOVA
Is NOVA free?
Yes. NOVA is free to use and you don't need an account. It is run by AI Understanding, a 501(c)(3) nonprofit supported by donations.
What can I ask NOVA?
Anything about artificial intelligence: how ChatGPT and other large language models work, machine learning basics, writing better prompts, choosing AI tools, and AI safety and ethics. If you ask about something else, NOVA answers briefly and brings you back to learning about AI.
Can NOVA quiz me?
Yes. After any answer, tap Quiz me and NOVA writes a multiple-choice question about what you just covered. Choose an answer to see whether you were right and why, then ask for the next one, which gets a little harder each time. NOVA keeps your score for the session.
Where do NOVA's answers come from?
NOVA runs on large language models chosen by AI Understanding, and every answer is grounded in the most relevant of the nearly 2,900 guides in our free library. The guides it used are listed under the answer so you can check them and read more.
Is NOVA a real person?
No. NOVA is an AI tutor that runs on large language models chosen by AI Understanding. Like any AI, it can make mistakes, so check important information.
How do I talk to NOVA with my voice?
Tap Voice mode under the hologram and speak. NOVA answers out loud and in writing, then listens again, so you can keep the conversation going hands-free. Tap the button again to stop. Voice input works in browsers with speech recognition, such as Chrome, Edge and Safari.
Which languages does NOVA speak?
NOVA answers in all 40 of the site's languages. Choose your language from the flag in the menu. In most of them NOVA also reads its answers aloud; where a voice isn't available, your browser's own voice is used if it has one.
What happens to my conversation?
The messages needed to answer you are sent to the AI provider that powers NOVA. AI Understanding does not store raw tutor conversations in its learner database; your chat is kept in your browser until you clear it.
Prefer to read? Start with our free AI guides, test yourself with AI quizzes, or earn the free AI certificate.