Sam Altman is reportedly promoting Rain AI's upcoming funding round to OpenAI investors, which is scheduled for December and is expected to value the company at $600 million. Additionally, the OpenAI Startup Fund has raised $70 million in new capital this year across four special purpose funds, supplementing its flagship fund that raised $175 million last year. This recent fundraising activity comes amid speculation regarding OpenAI's current status and its impact on startups in the AI sector.