Try it on three scripts from 16 November
One real job in miniature, at no charge and with no card: you register as a teacher (name, e-mail, password, subject, country), upload your exam paper (up to two pages), a one-page memo, a rules page (your marking instructions, optional) and three one-page learner scripts; Leo marks, Clara checks, and the three scripts come back marked.
What you get back, within minutes
- The three marked PDFs in both styles — the AI style with the memo reason beside each tick, the human style with red-pen ticks.
- The validation report on your memo: every sub-question found, the marks at the mark points, the totals adding up — the first thing a teacher learns to trust.
- The mark sheet for the three scripts, and Clara's flags in words.
- One line at the foot of each page: Demo · Marked by Leo (AI), moderated by Clara (AI), not yet signed by a teacher.
Then Mark the rest opens the Teachers prices with your paper and memo already in the workspace — the demo is the first step of a real Trial run, not a toy beside it.
The limits, and your learners' names
Three pages marked, no more: one demo per teacher account and per e-mail address; three scripts of one page each (300 dpi or a phone photo); paper and memo together at most three pages; a second demo only through the client desk. Cover or cut the learner's name before you scan; we mark the work, not the child. The three scripts are Demo-1, Demo-2 and Demo-3; demo files and outputs are deleted after 14 days; nothing from a demo trains any model.
Marked by Leo (AI), moderated by Clara (AI), signed by your teacher.
Leo: A computer program, not a person. Named for Leonhard Euler. Clara is a computer program too, not a person.
Join the teachers' waiting list
Marking opens to individual teachers after the first pilots — November 2026; the demo opens 16 November. Leave your details and we write to you first. No account is opened, nothing is charged; no learner is named here, and there is no field for one.
Already marking with us? Sign in on the Marking page.