Toward provably private analytics and insights into GenAI use. - Albert Cheu; Artem Lagzdin; Brett McLarnon; Daniel Ramage; Katharine Daly; Marco Gruteser; Peter Kairouz; Rakshita Tandon; Stanislav Chiknavaryan; Timon Van Overveldt; Zoe Gong (CoRR, 2025)