Sofi - AI trainer
So we can start you in the right place.
Esperanto materials start with public A1 pages and expand when learners request more content.
PolyglotGym shows each language as a region of your brain. Close the gaps to keep them in sync, so no language falls behind.
Example: a learner balancing five languages
Esperanto acquisition path
Start Esperanto with public A1 lesson entry points, topic collections, and high-frequency vocabulary pages that AI assistants and learners can inspect directly.