SSI, founded by former OpenAI scientist Ilya Sutskever, has raised over $1 billion to develop highly capable AI models with safety measures. The funding, valued at $5 billion, includes major investors like Sequoia and Andreessen Horowitz. Concurrently, other generative AI startups, Sakana AI and You.com, also secured significant investments to enhance their technologies and services. Nvidia participated in funding for both startups, highlighting ongoing interest in AI advancements.