OpenAI Controlled Dota 2 Bots Demolish Team of Former Professional Players

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

The human team is made up of Blitz, Cap, Fogged, Merlini and Moonmeander, with commentary from Purge and ODPixel.

Next, OpenAI's developers plan to take the bots to Valve's official worldwide tournament, where they'll compete against the best Dota 2 players in the world. In the second game, however, humans showed a spark and conquered a tower but lost eventually. Valve's multiplayer online battle arena (MOBA) video game, Dota 2, is the latest example of that. If the the OpenAI Five are victorious, they not only join the pantheon of machines that have publicly beaten humans at games (Deep Blue, Watson, AlphaGo), but will have done so in a game that balances several real-time interactions at once.

Since OpenAI's Dota 2 bot beat professional player Danylo "Dendi" Ishutin at the worldwide 2017, the AI has evolved significantly.

Original story: Research institute OpenAI, which Elon Musk co-founded in 2015, is set to send its super-smart self-taught Dota 2 bots to The International 2018 later this month to take on a team of experienced pros. Heroes in Dota 2 often interact in complex ways. "You have imperfect information, you have team work, you have these exponential combinations of different heroes and items, and you have to be able to deal with all of that".

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Every member of Team Human were selected on the criteria of being within the 99th percentile of players, which makes sense considering that majority used to be active pro players. "And finally, in a game three played purely for pride, the humans managed to squeeze out a win".

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. This resulted in the bot predicting a lower chance of winning of the match. 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. This year's event is set to take place between 20-25 August in Vancouver.

The blog added, "We've increased the reaction time of OpenAI Five from 80ms to 200ms".

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