Google's[2][3] blog[1] post 'Build with Veo 3.1 Lite, our most cost-effective video generation model' is stamped 31 March 2026 and says 'Rolling out today, you can access the model via paid tier on the Gemini API and Google AI Studio'; The Decoder[6] reports it the same day. Vertex AI lists 2 April 2026 for its preview.
Google launches Veo 3.1 Lite in the Gemini API and AI Studio, its cheapest video model at $0.05 a second for 720p with audio and the same speed as Veo 3.1 Fast, with 4, 6 or 8 second clips at 720p or 1080p.