Video model · Text to video
Veo 3.1 Fast on Klingobanana
Veo 3.1 Fast is Google's faster Veo tier with native audio. It offers 4, 6 or 8 second clips and has no reference-image mode.
From 37 credits per clip
Specs
- Type
- Video · Text to video
- Input
- Text prompt only
- Reference images
- None
- Model lab
- Clip lengths
- 4 s, 6 s, 8 s
- Resolution
- Set by the model
- Audio
- Native audio
- Speed
- Medium
Price per generation
| Option | Cost |
|---|---|
| 4 s clip | 19 credits |
| 6 s clip | 28 credits |
| 8 s clip | 37 credits |
Credits come from your plan. Planning a batch? Use the video cost calculator to see the euro cost per plan.
What Veo 3.1 Fast is good at
Veo 3.1 Fast is Google's quicker Veo tier, and its appeal is realism with sound. Clips come with synchronised audio, including speech-like and environmental sound, which makes it feel closer to a recorded shot than a silent animation. It is text-to-video only, with no reference-image mode, so everything comes from your prompt.
Clips are short. The catalog offers three lengths, and the price rises with each, so the practical approach is to treat every generation as a single beat: a person does one thing, a camera makes one move, a scene resolves. Strung together in an editor, those beats make a sequence. Written as one long prompt, they tend to blur.
Ideal use cases
- Realistic establishing shots. A street, a kitchen, a landscape with believable ambient sound, ready to open a scene in an edit.
- Short dialogue-flavoured moments. Moments where a person reacts or speaks briefly and the audio needs to match the action.
- Sound-led social clips. Content where the ambient audio does half of the storytelling, such as cooking, weather or city scenes.
Limits to know about
- Clips are brief (the longest option is 8 seconds), so longer scenes need to be cut together from several generations.
- No reference images, so keeping a character consistent across clips is hard. For that use a reference-capable model.
- Prompts with several scene changes inside one clip tend to be only partly followed.
Example prompts for Veo 3.1 Fast
Late-night diner
Interior of an empty late-night diner, a waitress refills a coffee cup at the counter and slides it toward a lone customer, neon sign buzzing, a faint jukebox tune, static medium shot.
Why it works. A single action, a locked camera and layered sound (neon buzz, jukebox) play to the model's audio strengths.
Thunderstorm porch
View from a covered porch as a summer thunderstorm hits, heavy rain drumming on the roof, a rocking chair swaying slightly, lightning flashes the garden white, low rumble of thunder.
Why it works. Weather offers rich audio and motion with no people, which minimises errors.
Street musician
A busker plays acoustic guitar on a cobbled square in the evening, a few passers-by slow down to listen, warm streetlights, the guitar clearly audible with soft crowd murmur.
Why it works. Naming the foreground sound and the background sound separately helps the model mix them sensibly.
Settings and what costs more
- Length is the main cost driver: 4 seconds costs 19 credits and 8 seconds costs 37 credits.
- Duration: 4, 6 and 8 second options are available. Choose the shortest that fits your beat, since cost rises with length.
- Describe the audio explicitly: what should be loud, what should be faint.
- Use 16:9 for cinematic framing, or 9:16 for vertical posts, and keep prompts to a single continuous moment.
Compare Veo 3.1 Fast with
- Gemini Omni Flash 1.1 (19 credits per clip)Choose it for also Google, with up to seven references for character consistency.
- Kling 3.0 Pro (26 credits per clip)Choose it for longer 10 s option and strong human motion with audio.
- Seedance 2.0 Fast (37 credits per clip)Choose it for longer clip options at a similar credit tier.
Our take
Veo 3.1 Fast is a good realism-and-sound tool for short beats. Keep each prompt to one moment and edit them together.
Prompts
Use it for
- UGC-style product ads, from script to finished clip.
- Choosing a platform? Klingobanana vs Higgsfield, Klingobanana vs OpenArt.
Related models
- Seedance 2.0104 credits per clip
- Seedance 2.0 Fast37 credits per clip
- Kling 3.0 Pro26 credits per clip
- Kling 2.6 Pro22 credits per clip
Frequently asked questions
Does Veo 3.1 Fast generate audio?
- Yes, it creates audio in sync with the video, including ambience and effects. Describe the sounds to steer the mix.
How long are Veo 3.1 Fast clips?
- The catalog lists 4, 6 and 8 second options, with the credit cost of each shown in the price table above.
Can I give Veo a reference image?
- Not in this entry; it is prompt-only. For image-driven clips use Seedance 2.0 I2V, Kling 3.0 Pro I2V or Gemini Omni Flash 1.1.
How do I use Veo 3.1 Fast with the API?
- Send the model id, prompt, duration and aspect ratio to the Klingobanana API. The video URL is returned once the job completes.
How many credits does Veo 3.1 Fast cost?
- A 8 second clip costs 37 credits on Klingobanana. The price table on this page lists every supported length.
Can I use reference images with Veo 3.1 Fast?
- No. It is driven by the text prompt only.
Do I need a subscription?
- Yes. There is no free tier; credits come from a subscription plan or a top-up.
Does Veo 3.1 Fast generate audio?
- Yes, it generates native audio with the clip.
Generate with Veo 3.1 Fast
Subscribe, open the studio and pick Veo 3.1 Fast from the model list. Credits are only spent when you generate.
Generate with Veo 3.1 FastA subscription is required before generating. Plans from €15/month, cancel anytime.
Default price shown at 1080p where a resolution option exists.