Quick take
Google Veo 3 is Google's video generation model. It makes short clips, usually up to about eight seconds, and it generates the sound and dialogue along with the picture. It is strong for single shots, ad concepts, product teasers, and social clips. It is weak for long stories, because you have to generate many short clips and stitch them together while keeping characters and style consistent by hand. Access runs through the Gemini app, Google Flow, Google AI Studio, and the Gemini API.
Best fit
Use Veo 3 when you need a short, good-looking clip fast and you can work in cuts rather than one long take. It fits marketers making ad variations, founders making a product teaser, and designers testing a visual idea before booking a real shoot.