Sample prompts for Veo 3.1 Fast
- Prompt 01
A street vendor in Mexico City flips tacos and says "Two more coming up!" to a customer, sizzling grill, lively market noise
Use this prompt - Prompt 02
A golden retriever runs across a beach at sunset, waves crashing, camera tracking alongside
Use this prompt - Prompt 03
A weather presenter stands in front of a storm map and says "Pack an umbrella tomorrow", studio lighting
Use this prompt - Prompt 04
Rain drips from a glass roof in a quiet greenhouse, ferns swaying, soft thunder in the distance
Use this prompt
Veo 3.1 Fast makes 4, 6 or 8 second clips; write the line someone says in quotes and it can speak it in the same pass when sound is on.
What Veo 3.1 Fast can do on Revana
Veo 3.1 Fast by Google starts from a text prompt, a starting picture, a first and a last frame or up to 3 reference pictures and makes a video clip. Veo 3.1 Fast keeps Veo's clip lengths (4, 6 or 8 seconds) and sound at well under half the price of Veo 3.1 at 720p. It also takes up to 3 reference pictures, which Veo 3.1 itself does not.
- Starts from
- a text prompt, a starting picture, a first and a last frame or up to 3 reference pictures
- Clip length
- 4, 6 and 8 seconds
- Resolutions
- 720p, 1080p and 4K
- Shapes
- 16:9, 9:16 and automatic
- Sound
- optional, +$0.02 a second at 720p, +$0.01 a second at 1080p and +$0.04 a second at 4K
- Model id
veo-3.1-fast
What Veo 3.1 Fast costs
Veo 3.1 Fast is billed per second of video from prepaid credit (100 credits = $1). The cheapest single request is one 4 second clip at 720p for $0.32; 720p is $0.08 a second, 1080p $0.10, 4K $0.25. You are charged only when the clip is made.
| Setting | Per second | 4 s clip | 6 s clip | 8 s clip |
|---|---|---|---|---|
| 720p | $0.08 | $0.32 | $0.48 | $0.64 |
| 720p + with audio | $0.10 | $0.40 | $0.60 | $0.80 |
| 1080p | $0.10 | $0.40 | $0.60 | $0.80 |
| 1080p + with audio | $0.11 | $0.44 | $0.66 | $0.88 |
| 4K | $0.25 | $1.00 | $1.50 | $2.00 |
| 4K + with audio | $0.29 | $1.16 | $1.74 | $2.32 |
Veo 3.1 Fast and other Google video models
Compared with Veo 3.1 Lite: At 720p Veo 3.1 Fast is $0.08 a second against $0.05 for Veo 3.1 Lite; at 1080p Veo 3.1 Fast is $0.10 a second against $0.06 for Veo 3.1 Lite; Veo 3.1 Fast has sound as a paid option and Veo 3.1 Lite has sound at no extra cost.
| Model | Cheapest clip | Longest | Up to | Sound |
|---|---|---|---|---|
| Veo 3.1 Fast | $0.32 (4 s at 720p) | 8 s | 4K | Optional |
| Veo 3.1 | $0.80 (4 s at 720p) | 8 s | 4K | Optional |
| Gemini Omni 1.2 Flash | $0.08 (3 s at 360p) | 15 s | 4K | Yes |
| Gemini Omni 1.1 Flash | $0.18 (4 s at 360p) | 10 s | 4K | Yes |
| Gemini Omni | $0.40 (4 s at 720p) | 10 s | 4K | Yes |
| Veo 3.1 Lite | $0.20 (4 s at 720p) | 8 s | 4K | Yes |
How to start
Sign in with Google or an email link, add credit under Billing (packs from $10), then open Generate, pick Veo 3.1 Fast, type a prompt (and add up to 3 reference pictures if you like) and press Generate. For code, the Veo 3.1 Fast API page has every option and a request to copy.
Frequently asked questions
Is Veo 3.1 Fast free?
Your first Veo 3.1 Fast request is free with your first $10 top-up: when that payment goes through, we credit the cost of one 4 second clip at 720p ($0.32) to your account. The offer is for new accounts, one per account; you need a card for the top-up, and the $10 stays your credit for any model.
How much does one Veo 3.1 Fast clip cost?
The cheapest is a 4 second clip at 720p for $0.32 ($0.08 a second); the longest, 8 seconds at 4K, is $2.00.
How long can a Veo 3.1 Fast video be?
Veo 3.1 Fast makes clips of 4, 6 and 8 seconds, at 720p, 1080p and 4K. You pay for the seconds you ask for, so a longer clip costs more.
Does Veo 3.1 Fast make sound?
Yes, if you turn it on. Sound is optional and costs $0.02 a second more at 720p, $0.01 a second more at 1080p and $0.04 a second more at 4K; leave it off for a silent clip at the lower price.
Can Veo 3.1 Fast go from a first frame to a last frame?
Yes. Give it a first and a last picture and it makes the motion between them; the prompt describes what happens on the way.
How many pictures can I give Veo 3.1 Fast?
Up to 3. Use them as references for characters, products or places, and say in the prompt what each one is for.
Is there a waitlist or code needed for Veo 3.1 Fast?
Neither. Veo 3.1 Fast runs from the Revana dashboard in your browser, with no subscription; developers send model id veo-3.1-fast to the API, and AI agents can use it through the Revana MCP server.
Make your first Veo 3.1 Fast clip
Your first video is free. One account for Veo 3.1 Fast and every other model on Revana, billed only for jobs that succeed.