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The OpenAI Dota 2 bots have just defeated a team of former professionals



One and a half months ago, OpenAI showed the latest version of its Dota 2 bot, which had matured to the point of playing and winning a full five-on-five game against human opponents. These artificial intelligence agents learned everything themselves, explored and experimented on the complex playing field at a learning rate of 180 years per day. Today, the so-called OpenAI Five has truly earned its credibility by defeating a team of four professional players and a Dota 2 commentator in a best-of-three series of games.

There were some conditions to make the game manageable for the AI, such as a narrower pool of 1

8 Dota heroes to pick (rather than the full 100+) and transport carts that are invincible , But these simplifications did little to distract from how impressive today's victory was. The OpenAI team won against the well-known Dota personalities Ben "Merlini" Wu, William "Blitz" Lee, Ioanni's "Fogged" Lucas – all former professional players – as well as the current professional player David "MoonMeander" Tan and Play-by-play commentator Austin "Capitalist" Walsh. Walsh sums up the despair Team Human felt after the fight:

The OpenAI Five triumphed in the first game in a convincing manner and did not even allow the human players one of their defensive towers to destroy. The humans recovered a little in the second game, conquered a tower but were still being demolished. And finally, in a game that was played only with pride, people managed to squeeze out a victory.

What strikes the matches is the apparent intelligence of AI's decisions and the inhumane absence of any indecision . The typical Dota 2 game, even at the professional level, involves quite a bit of ambiguity about whether you are engaged in a fight or are trying to move it to a more favorable battlefield or run away completely. The OpenAI team simply does not need the processing time people need, which made their game look unnatural – but only in the speed and depth of decision-making, not in the content of those decisions.

The developers of OpenAI noted that the OpenAI Five lost to amateur players in their team in May. By June, the AI ​​was mature enough to defeat casual players, and today it shows itself able to overwhelm people who have literally played since its inception Dota 2 . The next target for this fast-developing AI is to record the best Dota 2 players at Valves The International 8 later this month. There, the best teams will fight for the big prize, which is 2018 Dota 2 champions, and one of the side shows will be a contest between them and the OpenAI Five.


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