Gemini Omni Flash 1.1 image-to-video accepts a first frame and an optional last frame to strictly control the start and end of the video, with synchronized native audio and up to 4K resolution.
Pricing: Resolution 4k: $0.12/sec; Resolution 360p: $0.06/sec; Resolution 720p: $0.06/sec; Resolution 1080p: $0.06/sec.
