How does Veo 3.1 API pricing work?

Credits are integer units at $0.001 each. Alt channels bill per generation at the chosen resolution. Official channels bill per second × duration with separate tiers for audio off, audio on, and 4K + audio. Failed jobs refund automatically — you only pay for video that ships.

Which Veo 3.1 channel should I pick?

Lite is the cheapest tier for prompt-only drafts. Fast covers iterative work with image references. Quality is the premium per-generation tier with strict frame-based image-to-video. Use Fast Official or Quality Official when you need audio, 4K, or Vertex-grade controls.

Can the Veo 3.1 API animate a still image?

Yes. On veo3.1-fast and veo3.1-quality, pass image URLs in image_urls (up to 3) and pick generation_type. On the official channels, use first_frame_image and optionally last_frame_image for first / last frame interpolation.

Does Veo 3.1 generate audio?

Native audio is available on the official channels (veo3.1-fast-official and veo3.1-quality-official). Set generate_audio to true and the video ships with a synthesized soundtrack at the audio pricing tier. Alt channels output silent video.

How long can a Veo 3.1 video be?

Alt channels output 8 seconds per call. Official channels accept 4, 6, or 8 seconds. To extend a Fast or Quality clip to 15 seconds, call POST /api/v1/videos/:task_id/remix with the same model and a continuation prompt.

What input formats does Veo 3.1 accept?

Image inputs must be public HTTP(S) URLs (jpg / png / webp) up to 10 MB each. Base64 and data URIs are rejected at the gateway. Up to three reference images on alt channels; first and last frame images on official channels.

How does Veo 3.1 compare to Veo 3?

Veo 3.1 is the latest release in Google's Veo video generator line, building on Veo 3. It improves motion consistency, adds first / last frame interpolation, and ships native audio on official tiers. Pricing on reAPI starts at $0.046 per generation on the Lite channel.

Veo 3.1 API — Google's Veo 3.1 Video Generator

Generate cinematic 8-second clips with Google's Veo 3.1 video generator. Five Veo 3.1 channels — Fast, Quality, Lite, plus official tiers with audio and 4K output.

Model type:

Price

est$0.092– $0.276per generation

Cheap and quick. Per-generation billing at 720p / 1080p or 4K, image-to-video, and remix support.

Same API endpoint. The model parameter selects the variant.

Try Veo 3.1 View API docs

01playground

InputsPOST /api/v1/videos/generations

Prompt*

≤ 4000 chars · English recommended

Provide a prompt or at least one reference image / video / frame.

Aspect ratio

16:9 landscape · 9:16 portrait

Resolution

4K bills at the highest tier

Duration (seconds)

Alt: 8 fixed · Official: 4 / 6 / 8

Reference images

Drag images here or click to upload

Frame mode: first + last · Reference mode: 3 refs

Generation type

Quality channel: frame only

Output GIF

Mutually exclusive with 1080p / 4K

Outputidle

try one of these prompts

02use cases

What you can build

Real workflows powered by this model.

01/case

Cinematic shots from one Veo 3.1 prompt

Send a scene description to the Veo 3.1 API and get an 8-second cinematic clip back. Iterate on framing, lighting, and motion at the speed of typing — no film crew, no edit timeline.

Generate a clip

02/case

Bring stills to life with Veo 3.1

Pass a first frame, optional last frame, and a motion prompt. The model interpolates between them or animates from a single anchor — ready for Reels, Shorts, and TikTok in one call.

03/case

Native audio on official Veo 3.1 tiers

Switch to an official channel and toggle generate_audio to ship video with synthesized sound in a single call. Skip the post-production sound edit for hero spots and product clips.

03pricing

Pricing

Credit-based — 1 credit = $0.001 USD. Pay only for completed generations.

Mode	Category	Unit	Price
veo3.1-fast
└	720p / 1080p	1 generation	$0.092 92 credits
└	4K	1 generation	$0.276 276 credits
veo3.1-quality
└	720p / 1080p	1 generation	$0.69 690 credits
└	4K	1 generation	$2.208 2208 credits
veo3.1-lite
└	720p / 1080p	1 generation	$0.046 46 credits
└	4K	1 generation	$0.138 138 credits
veo3.1-fast-official
└	720P / 1080P (no audio)	1 second	$0.092 92 credits
└	720P / 1080P + audio	1 second	$0.138 138 credits
└	4K + audio	1 second	$0.322 322 credits
veo3.1-quality-official
└	720P / 1080P (no audio)	1 second	$0.184 184 credits
└	720P / 1080P + audio	1 second	$0.368 368 credits
└	4K + audio	1 second	$0.552 552 credits

05why

Why reAPI

Five Veo 3.1 channels, one API

Pick veo3.1-fast for drafts, veo3.1-quality for hero shots, veo3.1-lite for the cheapest tier, or the official channels for audio and 4K. Same endpoint — just change the model field.

Transparent credit pricing

1 credit equals $0.001. Alt channels bill per generation; official channels bill per second × duration. Failed jobs refund automatically — you only pay for video that ships.

Async with Veo 3.1 remix

Submit returns a task ID instantly. Once a Fast or Quality clip lands, call /api/v1/videos/:id/remix to extend it from 8 to 15 seconds without re-prompting.

06quickstart

Integrate the Veo 3.1 API in three steps

step 01
Create an API key
Sign up and grab a key from the dashboard. Free credits cover your first Veo 3.1 generations — no card required.
Open
step 02
Submit a Veo 3.1 task
POST your prompt to /api/v1/videos/generations with the model field set to a Veo 3.1 channel. The endpoint returns a task ID immediately.
Open
step 03
Poll the result
GET /api/v1/tasks/:id until status is completed. Download the output video and ship it.
Open

07faq

Frequently asked questions

Common questions about this model.

Veo 3.1 is Google's latest text-to-video and image-to-video model — the next iteration after Veo 3. reAPI exposes five Veo 3.1 channels behind one OpenAI-style endpoint: Fast, Quality, and Lite for per-generation pricing, plus Fast Official and Quality Official for per-second pricing with audio and 4K.

09api reference

docs/api/veo3-1

API reference

Drop-in code and the full parameter table.

View full reference

POST /api/v1/videos/generations
Authorization: Bearer $REAPI_API_KEY
Content-Type: application/json

{
  "prompt": "..."
}

start building

Ready to ship?

Try it in the playground or grab an API key to integrate now.

Try Veo 3.1 Get API key

What you can build

Real workflows powered by this model.

01/case