Geminiapi.

Google Veo 3.1 Lite — The Lowest-Cost AI Video API for Developers, With 4K Upscaling

Google released Veo 3.1 Lite on March 31, 2026. It costs less than 50% of Veo 3.1 Fast at the same speed, connects via the Gemini API, and launches alongside a Veo upscaling tool that pushes existing video to 4K.