In his newly built palace near Tokyo, lined by stone statues of Roman emperors and surrounded by an 18-hole golf course, Masayoshi Son was stewing. After declaring for years the imminent arrival of the artificial-intelligence revolution,

SoftBank Group is negotiating to lead a $40 billion funding round for AI developer OpenAI, which could value the company at $300 billion. This move comes as competition heats up with Chinese startup DeepSeek's low-cost AI model.

SoftBank is reportedly considering a historic $25 billion investment in OpenAI, which could surpass Microsoft's stake and position SoftBank as the ChatGPT maker's largest investor.

OpenAI is seeking to raise up to $40 billion in new funding at a valuation of $340 billion, the Wall Street Journal reported today.

SoftBank Group Corp. is in discussions to invest as much as $25 billion in OpenAI, a move that would potentially make it the AI startup’s biggest backer.

O SoftBank Group negocia para investir até US$ 25 bilhões na OpenAI, um movimento que poderia torná-lo o maior patrocinador da startup de inteligência artificial.

SoftBank is in talks to inject up to $25 billion directly into OpenAI, positioning the Japanese tech conglomerate to become the ChatGPT maker's largest financial backer, according to initial reporting from the Financial Times on Wednesday evening.

SoftBank has already committed $15 billion to Project Stargate, a joint venture with OpenAI to build data centers and other AI infrastructure.

Japanese tech giant SoftBank Group Corp. is considering investing up to $25 billion in OpenAI, the developer of the widely used artif

SoftBank Group, led by Masayoshi Son, is in discussions to invest up to $40 billion in OpenAI, valuing it at $300 billion. This follows a shift in AI dynamics with DeepSeek overtaking ChatGPT in US App Store rankings,

SoftBank has offered a term sheet that would value OpenAI at a pre-money valuation, meaning the valuation without the funding of the current round, at $260 billion.