SoftBank and OpenAI set up joint firm to push artificial intelligence services

The tech supremos made the announcement in Tokyo (Kyodo News via AP)

Japanese technology giant SoftBank Group and OpenAI have stepped up their AI partnership, setting up a 50-50 held company called SB OpenAI Japan.

SoftBank chief Masayoshi Son and OpenAI supremo Sam Altman appeared at an event in Tokyo, talking up their collaboration and inviting Japanese companies to join.