The AI developed by Google for this game uses a complex algorithm that makes it nearly unbeatable, as it is designed to always make the best possible move. However, it's not entirely impossible for a human to win, but it would require a rare set of circumstances and a mistake by the AI.
It is not possible to beat an artificial intelligence program at Tic Tac Toe using brute force, as the game has a limited number of possible outcomes and can easily be solved by the computer. Tic Tac Toe is a simple game with a relatively small number of possible moves and outcomes.