there was a "discussion" on nadota.com about the bot and the semipro player that openai used to test chimed in. apparently the set of items the bot chose to purchase from was limited[1] and recommended by the semipro tester. As someone who knows next to nothing about ai, my question is this: the bot was announced on stage as blank slate, dumped into dota, and built entirely from grinding countless games against itsel…
(I work at OpenAI.) We'll have another blog post coming in the next few days. But as a sneak peek: we use self-play to learn everything that depends on an interaction with the opponent. Didn't need to with those that don't (e.g. fixed item builds, separately learned creep block).
https://blog.openai.com/more-on-dota-2 A new blog is already here.