Edit RE below comment: The company was literally named that as it was started to be the "open" AI company, given the dangers of centralization of such tech.
From Wikipedia --
The organization stated it would "freely collaborate" with other institutions and researchers by making its patents and research open to the public.[
eg:
GPT-2: paper https://d4mucfpksywv.cloudfront.net/better-language-models/l... with code: https://github.com/openai/gpt-2, output dataset https://github.com/openai/gpt-2-output-dataset and a bunch of blog posts with all manner of details
GPT-3: paper https://arxiv.org/abs/2005.14165 dataset https://github.com/openai/gpt-3
etc etc.
Microsoft isn't small.
Apple isn't a fruit.
Berkshire Hathaway isn't from Berkshire and is nothing to do with Shakespeare's wife or the actress.
Oracle isn't an ancient Greek priestess making enigmatic utterances from inside a temple.
Blackrock isn't black or a rock.
Citadel isn't any kind of fortress at all.
Etc etc.
It's just a name.