Published: Fri, August 10, 2018
Technology | By Christopher Mann

OpenAI Controlled Dota 2 Bots Demolish Team of Former Professional Players

OpenAI Controlled Dota 2 Bots Demolish Team of Former Professional Players

A team of ex-pro Dota 2 players and casters were soundly beaten by OpenAI's team of bots in a best-of-three exhibition match. Something interesting to note is that after the humans paused the first game, and the bots paused game two.

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. To everyone's awe, the bots beat the human players, which included former Dota 2 professionals, 2-1 in a set of three games.

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Next, OpenAI's developers plan to take the bots to Valve's official global tournament, where they'll compete against the best Dota 2 players in the world. Heroes in Dota 2 often interact in complex ways. The second match saw the pro team take out one of OpenAI's towers, but the AI group won regardless.

The bots came from OpenAI, a non-profit AI research company co-founded by Elon Musk. The bots are powered by five artificial neural networks trained to play the game from scratch using reinforcement learning, an iterative process that involves observation, action and feedback.

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The latest victory for OpenAI Five is a positive step towards the firm's goal of competing against the best proteamat The International which is the largest annual Dota tournament in the world. In preparation the bots played through 180 years' worth of games against each other every day.

OpenAI Five will take on an active professional team during the worldwide main event in August 2018. Apparently, the five-on-five bot team has been in development all year, but this was the first true competition against real professionals. In the third match, the Twitch chat audience chose the worst combination of heroes for the bots to play and the A.I. predicted a 2.9% chance to win.

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"It's hard to know what kind of progress you're making if you're just making progress in simulators", Jack Clark, who works at OpenAI, said in an interview with Axios.

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