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Ranked Dota 2 players demolished by AI

08 August 2018

From a recap of the competition via The Verge, "The OpenAI Five triumphed in convincing fashion in the first game, not allowing the human players to even destroy one of their defensive towers".

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.

The human vs machine challenge began with a warmup match against the audience, which OpenAI won easily. After demonstrating its prowess in Dota 2 1v1 games, the newly enhanced "OpenAI Five" has shown that it can thrash even the best human teams.

A bot team created by OpenAI, an artificial intelligence research firm funded by Elon Musk, obliterated semi-professional players of the online multiplayer video game Dota 2.

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.

This is not the first time an AI has managed to beat humans in any 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. OpenAI had the capacity to predict its chance of winning during each stage of the game, as well as during character selection. Reward functions were identified, where the bots score points when they accomplish a certain task, but other than that they're basically set loose to play themselves. The human players included former Dota 2 professionals and casters Merlini, Fogged, Cap, and Blitz. 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 August 20 and 25 in Vancouver.

Regardless, the OpenAI victory is incredible impressive, even more so because only a matter of months ago it was failing to beat amateur opposition. These are all people who now or previously play Dota 2 professionally - they're in the 99.95th percentile of human players.

Ranked Dota 2 players demolished by AI