Libratus is an artificial intelligence computer program designed to play poker, specifically heads up no-limit Texas hold ’em. Libratus’ creators intend for it to be generalisable to other, non-poker-specific applications. It was developed at Carnegie Mellon University, Pittsburgh.
Libratus had been leading against the human players from day one of the tournament. The player Dong Kim was quoted on the AI’s strength as follows: “I didn’t realize how good it was until today. I felt like I was playing against someone who was cheating, like it could see my cards. I’m not accusing it of cheating. It was just that good.”[4]
At the 16th day of the competition, Libratus broke through the $1,000,000 barrier for the first time. At the end of that day, it was ahead $1,194,402 in chips against the human team. At the end of the competition, Libratus was ahead $1,766,250 in chips and thus won resoundingly. As the big blind in the matches was set to $100, Libratus’ winrate is equivalent to 14.7 big blinds per 100 hands. This is considered an exceptionally high winrate in poker and is highly statistically significant.(資料來源 )
Pluribus is a computer poker player using artificial intelligence built by Facebook’s AI Lab and Carnegie Mellon University. Pluribus plays the poker variation no-limit Texas hold ’em and is “the first bot to beat humans in a complex multiplayer competition”.
Among expert poker players, Jason Les stated he felt “very hopeless. You don’t feel like there’s anything you can do to win.” Chris Ferguson stated “Pluribus is a very hard opponent to play against. It’s really hard to pin him down on any kind of hand.” Jimmy Chou stated “Whenever playing the bot, I feel like I pick up something new to incorporate into my game.” In The Wall Street Journal, science editor Daniela Hernandez characterized Pluribus as “advanced at a key human skill — deception”. (資料來源 )
