Published: Wed, August 08, 2018
Industry | By Terrell Bush

AI Obliterates Semi-Professional Dota 2 Players In A Game

AI Obliterates Semi-Professional Dota 2 Players In A Game

OpenAI Five, an artificial intelligence engine backed by Elon Musk, has once again taken a team of semi-pro Dota 2 gamers to the cleaners. "Despite that, OpenAI five thrashed some of the most popular ex Dota 2 players, including Ben "Merlini" Wu, William "Blitz" Lee, Ioannis "Fogged" Lucas, the current pro player David "MoonMeander" Tan and play-by-play commentator Austin" Capitalist" Walsh.

After OpenAI took down members of the audience easily during a warmup round, the bot network started and finished the first of the two matches strongly, stopping its human opponents from destroying any of its defensive towers.

The team which won the exhibition match is named OpenAI Five, and comprises a team of five bots. In game two, the AI wasn't as confident, giving itself a 76 percent chance to win.

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OpenAI, which has been in development as a Dota 2 bot since The International 7 past year, went up against a full team of five highly-skilled human players-composed of Ioannis "Fogged" Loucas, William "Blitz" Lee, Ben "Merlini" Wu, David "MoonMeander" Tan, and Austin "Capitalist" Walsh. Next step, is The International 2018 (T18), which is Valve's own Dota 2 major and considered one of the biggest e-sports tournaments in the world. Without the ability to build a team it knew how to play, the AI was at a disadvantage. The humans recovered a little in game two, conquering one tower, but still getting demolished. The bots nevertheless fought a hard battle, at one point predicting a 17% win probability before succumbing to Team Human's assault 35:47 into the game.

A few years ago, many researchers thought it was impossible for AI systems to get so good at complex team-based games like Dota 2, but here we are. The first bot the nonprofit created started training with simple tasks and self-play. The bot has around 10,000 hours of Dota 2 playtime, which it uses to formulate advanced strategies that pro teams employ, according to the OpenAI organization. Nevertheless, it is still up for question if OpenAI Five can beat the best players in the game at The International later this month.

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