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OpenAI teaching neural networks to compete with Dota 2 professionals

Team of five neural networks has already beaten multiple amateur human teams

Last year, OpenAI created a bot that could defeat the best Dota 2 players in the world at 1v1 matches. Now, it wants to take that a step further via a team of five neural networks called the OpenAI Five.

Non-profit AI research company OpenAI has been teaching five neural networks to play Dota 2 by having them play 180 years of games per day. These training matches are undertaken via a more complex version of the system used to train a single AI to beat top player Dendi at The International in 2017. Already, the five AI can defeat amateur players (including a team of Valve employees), and will soon be competing professionally.

The AI will be playing in a match against top human players at The International in August. Currently, the OpenAI Five is winning against amateurs and semi-pro teams with restrictions in place, but OpenAI hopes those restrictions can be mostly removed for the August match with a limitation only on which heroes can be used.

OpenAI's research and observation of the bot has some interesting insights on how game strategy can develop, including determining a current top strategy on its own that took the Dota 2 community years to develop.

Open AI Five's match at The International will take place August 20-25. A live broadcast match, also against human Dota 2 pros, will be broadcast live on Twitch on July 28.

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