Term
Veo 3.1
Veo 3.1 is Googles video model (DeepMind) that turns text or an image into 8-second clips with natively synchronized audio. Since the January 2026 update it delivers true 4K (3840x2160) and native vertical formats.
Veo 3.1 — explained in more detail
Veo 3.1 is Google DeepMinds video generation model, released on October 14, 2025. It produces roughly 8-second clips from text prompts (text-to-video) or from a starting image (image-to-video) and is available through the Gemini API as well as Googles creative tools. Its standout feature is native audio generation: the model creates dialogue, sound effects, and ambient soundscapes directly in sync with the picture, instead of requiring audio to be added afterwards.
The January 13, 2026 update added true 4K (3840x2160 pixels), native vertical video for formats such as TikTok, and improved consistency features. Output resolutions range from 720p through 1080p to 4K. Veo 3.1 is a proprietary (closed) model with no open weights and, as of September 2026, is regarded as the leading all-rounder for AI video because it combines image quality, motion fidelity, and synchronized sound in a single model.
Example / In practice
A marketing team turns a single product photo plus a descriptive prompt into a vertical ad clip complete with a spoken slogan and matching background music. Because Veo 3.1 generates the audio natively and outputs in 4K, separate scoring and upscaling for social channels become unnecessary.
Distinction from similar terms
Veo 3.1 competes directly with Kling 3.0 and Runway Gen-4.5. The clearest difference is the native, lip- and scene-synchronized audio track, which competitors do not offer as consistently. In terms of purpose it belongs to image and video models; unlike pure image generators it produces moving sequences including camera movement and physics.