What is the best free AI video generator?

When it comes to seeking out the best free AI video generator, one must first consider the vast array of options available on the market. The question begs: which one offers the most comprehensive features, while remaining user-friendly and accessible? Is it the one that provides a wide range of templates and customization options, or the one that offers superior rendering speed and quality? Perhaps it's the one that integrates seamlessly with existing editing software or offers extensive customer support. With so many choices, how can one discern which AI video generator truly stands out from the rest? It's a question that demands careful consideration and thorough research to find the perfect fit for your needs.