GradūsGradūs is Latin for a step — a degree, a stage on a climb. Same root as grade and graduate. The old primers were called Gradus ad Parnassum: a step toward mastery. Not a dump of courses. The next honest step.

This is the door

Gradūs is free. The test, the path, and the Desk — for everyone.

Official OpenAI, Anthropic, Google, Microsoft modules stay free on their sites. Gradūs tells you which one to open Monday, and keeps that answer current.

Gradūs is free and open source.

No email yet. Free — no card, no plan. Independent product — not affiliated with the labs.

Email is optional. Skip it and find my level or open the Desk.