There are several ways to create AI videos without any cost. One option is to use AI Video Generator, which allows you to enter a prompt and generate a high-quality video with short clips, subtitles, background music, and transitions. Another option is invideo AI, which allows you to generate AI videos with just text and provides an intuitive editor to add finishing touches. Canva is another platform that offers a free AI video generator, which can be accessed by clicking on the Apps tab on the editor side panel and selecting Magic Media to begin the AI video creation process. To create an AI video with Synthesia, you can select a video template, edit your video script in any language, and receive your video via email in minutes. VEEDIO is another AI video generator that allows you to add media from their stock library, select clips from their royalty-free stock media library, and customize video templates. Additionally, DeepBrain offers a free AI video generator that allows you to create 3D custom avatars and leverage advanced machine learning algorithms to provide features such as AI voiceovers in 120 languages and 160 AI avatars. Finally, Speechify is an AI video maker that uses text generation to create scripts and offers features such as AI avatars, text-to-speech, and automatic video editing tools.