Google's post 'Updates to Veo, Imagen and VideoFX, plus introducing Whisk in Google Labs' is dated 16 Dec 2024 and says 'Today we're introducing a new video model, Veo 2'; TechCrunch's[5] report of the same day says 'On Monday, DeepMind announced Veo 2'.
Google DeepMind releases Veo 2, a video model it says reaches 4K and minutes-long clips with sharper physics and camera control, rolling it out through the VideoFX waitlist, where output was capped at 720p and eight seconds.