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OpenAI Bots Crush the Best Human Dota 2 Players in the World

10 August 2018

There were some restrictions on this five-on-five match - namely, the teams could only use 18 of Dota 2's 115 heroes - but the bots were still good enough to prove that humanity is doomed.

The humans did eventually manage to grab game three from the bots but the damage was done. "This reaction time is much closer to human level, though we haven't seen evidence of changes in gameplay as OpenAI Five's strength comes more from teamwork and coordination than reflexes". In the third game, human players secured a win.

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.

OpenAI bots played a match (with some significant alterations) against current pro player David "MoonMeander" Tan, former pros Ben "Merlini" Wu, William "Blitz" Lee and Ioannis "Fogged" Lucas and caster Austin "Capitalist" Walsh. The match even opened with a declariton from OpenAI, "We estimate the probability of winning to be above 95%".

You might remember OpenAI popping up in the news just recently. It had taken just two weeks for that bot to go from knowing nothing about Dota 2, the battle arena video game from Valve in which the goal is to destroy the oppostion's large structure known as the Ancient while defending their own. OpenAI was also not allowed to purchase Divine Rapiers or Bottles, use summoned units or illusions, or use the Scan ability. "You have imperfect information, you have team work, you have these exponential combinations of different heroes and items, and you have to be able to deal with all of that".

It was a best-out-of-three event, so the AI had already won when round three came along.

Dota 2 is available now for PC, Mac, and Linux. "The typical Dota 2 game, even on the professional tier, involves quite a bit of equivocation about whether to engage in a fight, or whether to try to shift it to a more favorable battleground, or to run away from it completely".

OpenAI Bots Crush the Best Human Dota 2 Players in the World