OpenAI has raised $40bn in a funding round with SoftBank, valuing the company at $300bn.The partnership with SoftBank aims to accelerate AI research and pave the way for artificial general intelligence.SoftBank plans to invest $10bn initially and an additional $30bn by the end of 2025, subject to certain conditions.OpenAI, previously focused on closed models, is now building a more open generative AI model to compete with DeepSeek and Meta.