что-то vs что-нибудь — something (specific) vs anything (open)
"Что-то" refers to something specific but unstated — used in statements and past contexts. "Что-нибудь" means anything at all — used in questions, invitations, and hypotheticals. Questions and offers use что-нибудь.
RusDrills offers 300+ free interactive Russian grammar exercises with instant feedback, spaced repetition, and audio pronunciation.
Note: This site uses JavaScript for interactive drills, audio playback, and progress tracking. Please enable JavaScript for the full experience.