Grade Chinese text against either document called HSK 3.0 — the GF0025-2021 grading standard or the 2026 examination syllabus. Library, aligned corpus, and a difficulty-controlled generation benchmark.
Hanzi grids for studying mandarin chinese (tool & output data). Maintained at https://codeberg.org/proycon/hanzigrid and https://git.sr.ht/~proycon/hanzigrid , not here anymore!