Science

OpenAI's Dota 2 bot defeats world's best pro player

OpenAI's Dota 2 bot defeats world's best pro player

Elon Musk may be terrified of artificial intelligence (AI) and spreading a message of AI-led doom, but that hasn't stopped him from funding companies that are developing advanced AI.

OpenAI took the stage at the Dota 2 International Championship yesterday. While this was a less complex, 1v1 battle, OpenAI is working on another bot that could play against and alongside humans in a larger 5v5 battle.

The AI win stunned the gaming community, because bots are generally considered inferior to expert human players.

It's easy enough to say "hey, we've created an AI which can beat the world's top Dota 2 pros", though, so in addition to a teaser video showing the AI caning Dota 2 elite players, TI7 also prepared a live match between the bot and pro gamer Danylo "Dendi" Ishutin.

"We just let it play lifetimes of 1v1 against itself, and coached it on what we thought was good or bad", Brockman said in a video played before the match.




Before the battle kicked off, Dendi greeted the screaming crowd at Seattle Center's Keyarena, where the competition was hosted, wearing a hooded white robe and playfully boxing the air. A second round ended similarly, with Dendi surrendering after a few minutes. The bot was trained by simply copying the AI and letting the two play each other for weeks on end.

Dendi later elaborated on Twitter that he found the bot "fun" and "challenging" to play against.

"He's too strong", Dendi said with a smile, referring to the bot. "But it has no room for even slight mistakes", he wrote.

Artificial intelligence took a step forward last night, at an annual tournament for players of the tactical wargame Defense of the Ancients 2. Was he indirectly comparing the OpenAI bot with AlphaGo? "This required massive processing power".


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