Muse AI Video turns text prompts or reference images into finished clips with synchronized native audio - dialogue, ambience, and sound effects generated alongside the video, not added afterward. Built on Google Veo 3.1 for photoreal text-to-video and ByteDance Seedance 1.5 Pro for image-to-video motion, it renders 4-12 second clips up to 1080p in 30-90 seconds. Choose Quality or Fast Mode, feed 1-2 source images, and export in 16:9, 9:16, 1:1, 4:3, and 3:4. Outputs can be upscaled, extended, or restyled. Commercial rights on every plan, no watermark on paid tiers.