Is NYT Sudoku free to play?

Yes. NYT Sudoku runs in a browser at no cost, with nothing to install and no purchase to make.

How often does NYT Sudoku reset?

Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.

On nytimes.com. It declines to be embedded, so this page links you straight there instead.

It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.

Logic & Math New

Fill a 9x9 grid with digits so each column, row, and 3x3 section contains all numbers from 1 to 9.

NYT Sudoku

Logic & Math

NYT Sudoku does not allow being embedded, so it opens on its own site. Everything else — likes, favourites, your ritual — still works here.

Is NYT Sudoku free to play?: Yes. NYT Sudoku runs in a browser at no cost, with nothing to install and no purchase to make.
How often does NYT Sudoku reset?: Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.
What languages does NYT Sudoku support?: English.
Where does NYT Sudoku run?: On nytimes.com. It declines to be embedded, so this page links you straight there instead.
What kind of game is NYT Sudoku?: It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.

If you play NYT Sudoku, the closest things to it in the catalogue are Shikaku of the day, Five Fold and Daily Akari. They share its daily, english, logic grid. See the full list of alternatives.