OpenAI has raised $6.6 billion in new funding, nearly doubling its value to $157 billion.The funding marks the largest venture capital deal in history.Thrive Capital led the new round with $1.25 billion, while investors such as SoftBank, Nvidia, and Microsoft also participated.OpenAI's AI app ChatGPT has attracted 250 million weekly active users, leading the company to consider raising its subscription price.