Google Veo 3.1 Lite Start-End-to-Video | AI Video Interpolation Between Keyframes

Veo 3.1 Lite Start-End-to-Video

Veo 3.1 Lite Start-End-to-Video generates a smooth, cinematic video transition between two images. Upload a start frame and an end frame, describe the scene — the model produces a natural, motion-consistent clip that flows seamlessly from one image to the other.

Need to animate a single image? Try Veo 3.1 Lite Image-to-Video

Why Choose This?

Start-to-end frame transitions Generates a coherent video that naturally bridges two distinct images with smooth, believable motion.
Prompt-guided transformation Describe how the transition should unfold — environmental changes, camera movements, seasonal shifts, and more.
Negative prompt support Specify what to avoid in the transition for more precise control over the output.
Resolution options Generate at 720p or 1080p to match your quality and budget requirements.
Flexible aspect ratios Supports multiple orientations for social, cinematic, and broadcast formats.
Reproducible results Use the seed parameter to lock in a specific output for exact reproduction.

Parameters

Parameter	Required	Description
prompt	Yes	Text description of the desired transition and scene.
image	Yes	Start frame image (URL or file upload).
last_image	Yes	End frame image to transition toward (URL or file upload).
aspect_ratio	No	Output aspect ratio. Default: 16:9.
resolution	No	Output resolution: 720p (default) or 1080p.
negative_prompt	No	Elements to exclude from the generated transition.
seed	No	Random seed for reproducible results.

How to Use

Upload your start image — provide the opening frame of the transition.
Upload your end image — provide the target frame to transition toward.
Write your prompt — describe how the transition should unfold. Use the Prompt Enhancer for better results.
Select aspect ratio — choose the format that fits your target platform.
Select resolution — 720p for standard output, 1080p for higher-quality results.
Add negative prompt (optional) — specify elements you want to avoid in the transition.
Set seed (optional) — fix the seed to reproduce a specific result in future runs.
Submit — generate, preview, and download your transition video.

Pricing

Resolution	Cost per Generation
720p	$0.40
1080p	$0.64

Best Use Cases

Seasonal & Time-lapse Transitions — Shift between different seasons, times of day, or weather conditions from the same scene.
Scene Changes — Bridge two distinct environments or locations with a cinematic transition.
Social Media Content — Create eye-catching before-and-after transition clips for Reels and TikTok.
Marketing & Advertising — Transition between product states or campaign visuals.
Creative Storytelling — Connect two visual moments with a natural, motioned bridge.

Pro Tips

Use images of the same scene or subject from different states for the most natural transition results.
Be specific in your prompt about what changes between the two frames — lighting, season, atmosphere, or subject state.
Use 720p to test your transition concept before committing to a 1080p final render.
Fix the seed once you find a result you like to iterate consistently.

Notes

prompt, image, and last_image are all required fields.
4K output is not supported on this model.
You will only be charged if your video is successfully generated.
Please follow Google's content usage policies when crafting prompts.

Related Models

Veo 3.1 Lite Image-to-Video — Animate a single reference image into a cinematic video clip.
Veo 3.1 Lite Text-to-Video — Generate video from text prompts without a reference image.

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