Veo 3.1 Lite
Google · AI videoVeo 3.1 Lite is Google's cost-efficient video generation model, built for high-volume applications while still delivering strong visual quality and natively synchronized audio. It supports text-to-video, image-to-video, and smooth transitions when you provide both a start image and an end frame—making it a practical choice for YouTube Shorts, TikTok, and automated pipelines where cost per second matters.
Unlike the full Veo 3.1 tier, Lite omits some premium capabilities such as multi-reference “ingredients” guidance and video extension, and it does not offer 4K output. It remains a strong fit when you want dialogue, sound effects, and ambience generated together with the picture, without flagship-tier pricing.
Lite is offered alongside full Veo 3.1 through Google's Gemini API stack and related products, so teams can pick the tier that matches budget and required controls.
Key features and benefits
Native synchronized audio
Every output includes audio aligned to the visuals—speech in quotes, sound design, and environmental ambience—so short-form clips feel complete without a separate audio pass. Describing dialogue and sound in your prompt still yields the richest results.
Text-to-video and image-to-video
Generate from a detailed text prompt alone, or animate a start frame image with motion and audio guided by your prompt. Portrait 9:16 workflows match typical short-form social formats.
Start and end frame control
When you supply both a starting image and an ending image (last frame), the model can interpolate between them for smoother continuity across scenes—useful for continuous transitions in multi-scene projects.
720p and 1080p output
Lite supports 16:9 and 9:16 aspect ratios at 720p or 1080p. On Google's API, 1080p is tied to specific duration options (for example 8-second generations); shorter durations may map to 720p presets—check the latest Gemini API documentation for the exact matrix.
Technical specifications
Output resolution720p, 1080p (1080p per provider duration rules)
Aspect ratios16:9, 9:16
Duration4, 6, or 8 seconds
AudioAlways generated with video
Reference imagesNot supported (use full Veo 3.1)
Video extensionNot supported (use full Veo 3.1)
Use cases and applications
Veo 3.1 Lite suits creators and teams producing many short clips per week: social posts, ads, variants for A/B tests, and automated batches where native audio and good motion matter but flagship pricing does not.
Product and marketing teams can iterate quickly on vertical video from existing key art (image-to-video) while keeping spend predictable. Start/end frame workflows help bridge consecutive scenes when you plan transitions ahead of time.
Agencies balancing quality and margin can standardize on Lite for volume tiers and reserve full Veo 3.1 for hero assets or shots that need reference-image consistency or extension.
Why this model
Choose Veo 3.1 Lite when you want Google's audio-visual quality at a lower API tier than full Veo 3.1, and when you do not need reference-image stacks or segment extension.
Pair Lite with your own image and audio tooling upstream and downstream; billing and quotas depend on whether you use AI Studio, Vertex AI, or another Google surface.
What you should know
How does Lite differ from full Veo 3.1?
Lite is priced lower on Google's tables and omits features such as multi-reference guidance and video extension. Both support strong image-to-video and native audio; full Veo 3.1 is the better fit when you need those extra controls.
Why might a clip be 720p instead of 1080p?
The Gemini API ties certain resolutions to duration and aspect settings. Shorter clips may need 720p presets while longer eight-second runs unlock 1080p where documented—verify current rules in Google's API reference.
Where is Lite documented?
See Google's Gemini API and Veo model documentation for supported parameters, regions, and pricing.