Ranked Dota 2 players demolished by AI

Watch OpenAI's Dota 2 bots square off against five top players live on Twitch today

A team of former Dota 2 pros just got owned by AI bots

Every member of Team Human were selected on the criteria of being within the 99th percentile of players, which makes sense considering that a lot of them used to be active pro players. If the the OpenAI Five are victorious, they not only join the pantheon of machines that have publicly beaten humans at games (Deep Blue, Watson, AlphaGo), but will have done so in a game that balances several real-time interactions at once. In the final game, the OpenAI team let the audience select their team of five heroes when it lost to the human team.

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. "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". Playing against bots and one mistake could cause end of the match.

Elon Musk's artificial intelligence program annihilated Dota 2 pros yesterday, in an exhibition match streamed live on Twitch from San Francisco. Through such reinforcement learning, the clutch of networks cooperate with each other, build "team spirit' and take down its in-game opponents". The International tournament of the game is going to take place from August 20 to 25. The firm has also been tweaking the neural networks, altering the bot team's in-game reaction time to near human levels, and helping it learn additional strategies.

While the victory on Sunday was a step closer towards OpenAI's aim of beating a professional team at the world championships, their next goal-transferring skills from the closed world of a game to unpredictable real-world environments-is far more challenging. This resulted in OpenAI Five predicting a lower chance of winning of the match - just 2.9 percent, in fact.

OpenAI Five continues to prepare for playing a team of professionals at The International.

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