Jaque Silva | Nurphoto | Getty ImagesSoftBank has committed to spending $3 billion per year for itself and its subsidiaries to use OpenAI's tech, according to a joint announcement on Monday.The two also announced a new joint venture, billed as "SB OpenAI Japan," which will market OpenAI's enterprise tech exclusively to major companies in Japan.The deal will give SoftBank and its subsidiaries access to ChatGPT Enterprise, OpenAI's API, custom models and agent products such as Operator, which it d...