Veo 3.1 FastAI video generator
Google's fast video model, with dialogue, effects and music in sync. On Leap, it sits beside 174 other models in one studio.
- Text to video
- Image to video
- Up to 8 s
- Up to 1080p
- With sound
- 16:9 and 9:16
- No subscription
- Every top model, one account
- Pay per run, priced before it starts
AI video generator
Veo 3.1 Fast at a glance
Veo 3.1 Fast is a video model from Google. It makes video with sound from words or a first frame, 4, 6 or 8 seconds long, at up to 1080p.
- Made by
- Makes
- Video with sound
- Starts from
- Words or a first frame
- Length
- 4, 6 or 8 seconds
- Resolution
- 720p or 1080p
- Shapes
- 16:9, 9:16
- Sound
- Yes, on by default
- Prompt
- Up to 4,000 characters
- Price per run
- $0.54 to $1.60
- Run time
- About 70 seconds
- Updated
- October 2, 2026
- 01Describe it, or start from a photo
- 02See the exact price, then press go
- 03Keep it in your library, or take it further
Made on Leap
More from Veo 3.1 Fast
Powder turn
Action sports, slow motion: the snowboarder carves a deep turn through fresh powder, a huge backlit spray of snow arcs off the board and drifts down glittering in the sun, the rider stays whole and in frame, smooth telephoto tracking shot. Realistic motion.
Hot sauce, hyped in the kitchen
Headphones, deadpan at the desk
Cold brew, deadpan in a parked car
Fig and cedar candle, in the bedroom
Maple pecan granola, excited
Face cream in a splash, warm voice
Serum in a splash, calm voice
Pick the right one
Veo 3.1 Fast and its siblings
| Model | Best for | Length | Resolution | Sound | Price per run |
|---|---|---|---|---|---|
| Veo 3.1 Fast (this page) | Google's fast video model, with dialogue, effects and music in sync. | 4, 6 or 8 seconds | Up to 1080p | Yes | $0.54 to $1.60 |
| Veo 3.1 | Google's highest-quality video model, with sound. | 4, 6 or 8 seconds | Up to 1080p | Yes | $1.04 to $4.00 |
| Veo 3.1 Lite | The lowest-cost Veo, for drafts and volume. | 4, 6 or 8 seconds | Up to 1080p | Yes | $0.164 to $0.88 |
Side by side
More video models on Leap
No prompt needed
Or start from a recipe
Recipes write the prompt for you: add a photo, pick a look, and get a finished result.
Questions
Veo 3.1 Fast, answered
- What is Veo 3.1 Fast?
- Veo 3.1 Fast is a video model from Google. Google's fast video model, with dialogue, effects and music in sync. On Leap it runs in one studio beside every other top model, with one account.
- Can Veo 3.1 Fast start from a photo?
- Yes. Veo 3.1 Fast starts from words or a first frame. The photo becomes the first frame, cropped to the video's shape.
- How long can the videos be?
- 4, 6 or 8 seconds. You choose the length before you press go, and the price follows it.
- What resolution and sizes does it make?
- Up to 1080p, in 16:9 or 9:16.
- Does it make sound?
- Yes. Veo 3.1 Fast makes the sound with the picture, and it is on by default. Turn it off for a silent clip.
- How is it different from Veo 3.1 and Veo 3.1 Lite?
- Veo 3.1 Fast: Google's fast video model, with dialogue, effects and music in sync. Veo 3.1: Google's highest-quality video model, with sound. Veo 3.1 Lite: The lowest-cost Veo, for drafts and volume. They all run in the same studio, so you can try one prompt on each.
- How much does a run cost?
- An 8-second clip with sound costs $1.60 at the default settings. By length and sound, a run costs $0.54 to $1.60. You see the exact price before you press go, and a run that fails costs nothing.
- Is Veo 3.1 Fast free to try?
- No. There is no free credit: you add credit from $5, and your first top-up has no card fee. The cheapest run is $0.54 (a 4-second clip without sound), so $5 covers nine of those. You pay per run, in dollars, with no subscription.
- Can I use what I make commercially?
- Yes. You own what you make on Leap, so you can use it commercially, and we never train AI on it. The people and brands shown in a result can still have rights in it; the Terms say more.
- Is there an API?
- Yes. Leap's REST API runs it as google/veo-3.1-fast, at the same price per run as the studio, and agents can call it through Leap's MCP server. The request is at the bottom of this page.
- Do I need a Google account?
- No. Leap sends your request to Google's model and gives you what it makes. One Leap account runs Veo 3.1 Fast and every other model, in the studio, through the API and from your agents.
Your idea, Veo 3.1 Fast.
Every run shows its price before it starts, and one that fails costs nothing.
Make it with Veo 3.1 FastFor developers
Run Veo 3.1 Fast from code
- Model ID
- google/veo-3.1-fast
- Makes
- Video
- Pricing
- Per run, quoted first: POST /v1/quotes
Inputs
What the model takes. Leave out anything with a default.
The request
The same envelope for every model; only the model and its input change. With prefer: wait=60 the answer holds the result when the run finishes within a minute; a longer one is read again by its ID. Agents can call it through the MCP server at app.tryleap.ai/api/mcp.
curl https://api.tryleap.ai/v1/generations \ -H "x-api-key: $LEAP_API_KEY" \ -H "content-type: application/json" \ -H "prefer: wait=60" \ -d '{ "model": "google/veo-3.1-fast", "input": { "prompt": "Cinematic wide shot. The camera tracks low and parallel to the ground alongside the lone rider as the horse gallops steadily across the immense white salt flat, a long plume of golden dust trailing behind and drifting in the wind, the long shadow racing across the cracked salt, distant blue mountains holding still on the horizon. Warm late sun, smooth stabilized tracking, 65mm film look, natural horse gait." } }' # Video often outlasts the wait and answers "queued" or "running".# Put its "id" in GENERATION_ID and read it again until it is done:# curl https://api.tryleap.ai/v1/generations/$GENERATION_ID -H "x-api-key: $LEAP_API_KEY"