A team of AI bots smashed humans at Dota 2

A team of AI bots smashed humans at Dota 2

A team of AI bots smashed humans at Dota 2

The company used machine learning to train bots to play Dota 2 and continuously improve their performance.

In order to make the game manageable for AI bots, the game was tweaked a bit. OpenAI's five-on-five bot team has been in development all year, and last month it was beating amateur teams, according to OpenAI's developers, but this was the first bout against real pros: Former player Ben "Merlini" Wu, former player Ioannis "Fogged" Loucas, caster Austin "Capitalist" Walsh, former player William "Blitz" Lee and current pro David "MoonMeander" Tan. Something interesting to note is that after the humans paused the first game, and the bots paused game two.

On Sunday, a team of bots developed by OpenAI defeated highly-ranked humans at Dota 2, one of the most popular, complex and highly paid e-sports games in the world.

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OpenAI Five has been working towards their goal of competing against the best pro team at The International which is the largest annual Dota tournament in the world. Even though the artificial intelligence bested the professional Dota 2 players two-out-of-three, the humans managed to score a victory in the third match.

That being said, it should be noted that on the OpenAI's website, they admitted that the game was not your standard DotA 2 game as there had to be certain modifications made to how the game was run. It predicted a 95 percent win probability after seeing the hero teams. It still pummeled the human team in just 25 minutes. OpenAI was also not allowed to purchase Divine Rapiers or Bottles, use summoned units or illusions, or use the Scan ability.

Given that OpenAI Five had already won, for game 3 the audience was invited to draft OpenAI Five's heros and chose an adversarial lineup that was described as "fairly Looney-Tunes".

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OpenAI's initiatives with Dota 2 began in March a year ago.

That could be quite an ask as some professional players have an instinct for Dota 2 that is arguably hard to teach - AI systems are excellent at learning straightforward things or specific tasks but asking them to think generally and instinctively is another level.

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