100% free, always will be

Your personal physics tutor, from atoms to spacetime.

Atom is a free AI tutor that meets you at your level, whether you're learning about levers in 4th grade or wrestling with quantum field theory. Ask anything, get clear explanations, and see the math done right.

4tutor models
$0forever
K to PhDevery stage
Why Atom

Physics that actually clicks.

Not a chatbot bolted onto a textbook. Atom is built around how physics is really taught: step by step, visual, and patient.

  • Step-by-step solutions

    Every problem worked in full: the principle, the variables, and each move shown.

  • Beautiful equations

    Real LaTeX, from F = ma to Einstein's field equations. Textbook clean, never ASCII soup.

  • Right model, every time

    Four tutors, Archimedes to Einstein. Pick your model and switch anytime.

  • Free, no strings

    No login, no paywall, no ads. Free the way a library is free.

Four tutors, one mission

Choose the model that fits.

Each Atom tutor is named after a physicist and tuned for a different audience. Right now Archimedes is live for our first users, and the rest arrive soon.

No sign-up · No paywall · No ads

Ready when you are.

Open a chat and ask your first question. It takes five seconds.

Start chatting with Archimedes