Published: Wed, August 08, 2018
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Dota 2 : 'Artificial intelligence' makes a record by defeating human players

Dota 2 : 'Artificial intelligence' makes a record by defeating human 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.

OpenAI's 1v1 bot beat pro player Danil "Dendi" Ishutin at last year's The International, and the institute says the learning process for OpenAI Five is much more complex, requiring 256 GPUs and 128,000 CPU cores. For this match, the audience was allowed to choose heroes for OpenAI Five. OpenAI had the capacity to predict its chance of winning during each stage of the game, as well as during character selection. Still, the bots demonstrated that they have now learnt how to play the game well enough to defeat a team of five human players ranked in the 99.95th percentile.

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.

A lot of humans think they're so good at video games that they make the point of describing themselves as "gamers".

Every member of Team Human were selected on the criteria of being within the 99th percentile of players, which makes sense considering that a lot of them used to be active pro players.

OpenAI's initiatives with Dota 2 began in March past year. Game Two was similarly one-sided, although the humans did manage to at least take one tower. The first bot the nonprofit created started training with simple tasks and self-play.

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

Following the victory, Musk tweeted congratulating the OpenAI team.

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. The list of handicaps included the ability to pick only 18 of the 115 available heroes in the pool, while Team Human was given freedom to use any hero of their choosing.

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

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