As of August 2023, there are 14,690 levels in Candy Crush Saga in the HTML5 version. This includes 980 episodes, with each episode having 15 levels. There are also 90 additional levels and 6 more episodes available on the Windows 10 App version, for a total of 14,780 levels.
However, it is important to note that Candy Crush Saga is still being updated with new levels on a regular basis. As of this writing, there are still 45 new levels that are being released every week. So, it is possible that the number of levels in Candy Crush Saga will continue to increase in the future.
In addition, it is also worth noting that there is no end to Candy Crush Saga. The game is designed to be endless, with new levels being released on a regular basis. So, even if you reach the highest level, you will always have more levels to play.