SoftBank inked a $3 billion deal with OpenAI in a joint venture to market OpenAI tech in Japan with its newly-minuted "Cristal Intelligence" suite of tools.

The 50-50 joint venture will begin offering the services first in Japan and establish a model for global adoption, the companies said Monday.

SoftBank Group CEO Masayoshi Son said on Monday he has agreed with OpenAI CEO Sam Altman to set up a joint venture in Japan to offer artificial intelligence services to corporate customers.The Japanese investment giant will also pay $3 billion annually to use OpenAI's technology across SoftBank group companies.