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ibusinesslines.com August 18, 2018


Musk-Funded OpenAI Creates Bots That Defeat DOTA 2 Pros

10 August 2018, 03:20 | Jodi Jackson

A team of former Dota 2 pros just got owned by AI bots

Watch OpenAI's Dota 2 bots square off against five top players live on Twitch today

We did notice that the bots lack fear and that's what makes some Dota 2 games exciting.

A team comprising five artificial intelligence agents that had learned to play Dota 2 from scratch simply by exploring and experimenting, has convincingly beaten a team of five human player, four of whom are top ranked Dota 2 professionals.

After the game 1 draft, OpenAI Five predicted a 95% win probability, even though the matchup seemed about even to the human observers. At a recent battle between the human players and the bot, the team of human players managed to win just one game from the artificially intelligent bot, Cnet reported. The company's aim is to build a team of bots which can beat a team of Dota 2's human professionals at this year's annual tournament and another big event in E-sports.

And the OpenAI has the advantage of learning through rigorous reinforcement training, a machine learning technique that involves teaching AI agents through trial and error and then "rewarding" them when they carry out a good action in the game. Heroes in Dota 2 often interact in complex ways. In preparation the bots played through 180 years' worth of games against each other every day.


While the victory on Sunday was a step closer towards OpenAI's aim of beating a professional team at the world championships, their next goal-transferring skills from the closed world of a game to unpredictable real-world environments-is far more challenging.

After losing the first three games of Go to Google's AlphaGo, Lee Sedol, a professional player ranked second in global titles, deployed a highly unusual strategy to win the fourth game, inspired in part by the idiosyncratic algorithmic playing style of the AI that he had observed during the previous three games.

Elon Musk's bots lost only one game because Twitch viewers were allowed to pick the pool of playable heroes and were so creative, that not even neural networks could calculate the best winning strategy.

Watch OpenAI Five dominate Team Human in the video below.



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