In the history of startup funding, SoftBank’s announcement that it is backing an investment of up to $40 billion in OpenAI is ...

OpenAI on Monday said it raised $40 billion in a new funding round that valued the ChatGPT maker at $300 billion, the biggest capital-raising session ever for a startup.

OpenAI has arranged a private investment of $40 billion,, which takes its valuation to $300 billion. A portion of ...