Anyone in the US can now use OpenAI’s artificial intelligence video generator, Sora, which the company announced on Monday would become publicly available. Sora is known as a text-to-video generator, a tool that can create AI video clips based on a user’s written prompts. Sora, which means “sky" in Japanese, is “able to generate complex scenes with multiple characters, specific types of motion, and accurate details of the subject and background.