veo-3.1-generate-preview AI Video API

Google veo-3.1-generate-preview for video generation; Flatkey routes this model through /v1/videos. $0.32 per second

Image to VideoReference-guided VideoShort-form Video
Provider
Google
Reference price
from $0.400 / second
Flatkey price
from $0.320 / second-20%
Generator setup · Playground (edit before sign-up)

Input

Quick Prompts
Reference image0 / 1
Start generating

Output

Preview

Request summary

Endpoint
POST /v1/videos
Model ID
veo-3.1-generate-preview
Size
1280x720
Duration
8s
Reference media
None

Preview only. Sign in to submit this request to Flatkey.

Request preview
{
  "model": "veo-3.1-generate-preview",
  "prompt": "Creative direction: A traveler waits on a rainy night platform, opens a wet brown package, and reveals an ornate antique key resting on parchment. Move from the hands and wrapping into a close view of the metal key under station light.\n\nVisual treatment: Photoreal rainy station drama with wet paper and warm antique-metal highlights. Keep this medium and palette consistent across all beats.\n\nShot plan: 6-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.\n00:00–00:02: Frame the traveler's hands around the rain-wet brown parcel.\n00:02–00:04: Unfold the wrapping to reveal parchment and the antique key.\n00:04–00:06: Ease into the ornate metal surface under steady station light.\n\nContinuity and finish: Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.\nAvoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.",
  "duration": 8,
  "size": "1280x720"
}

veo-3.1-generate-preview API performance

veo-3.1-generate-preview API reliability and uptime

Live Flatkey request telemetry for veo-3.1-generate-preview appears here when enough production traffic is available.

Avg. provider uptime
last 30 days
Latency
last 30 days
Requests
124
30-day window
Successful inference trend

veo-3.1-generate-preview API activity

veo-3.1-generate-preview API usage and request activity

Track request volume and successful inference activity for veo-3.1-generate-preview over the latest reporting window.

Requests
124
30-day window
Latency
last 30 days
Uptime
last 30 days
Successful inference trendActivity

veo-3.1-generate-preview pricing

veo-3.1-generate-preview API pricing and billing

Prices below are calculated from Flatkey pricing data for this model and the visible groups currently returned by our pricing API.

Flatkey price

Price / second

Live catalog model
from $0.320 / second
Price / second
from $0.320 / secondfrom $0.400 / second
Try a prompt
Shared balance

Add credits

Add credits

Use the same Flatkey balance and API key across image, video, audio, and text models.

Model catalog
Model Type
Text to Video
API
/v1/videos
Billing basis
second
Duration
–s
Aspect ratio
adaptive

veo-3.1-generate-preview video generation: core capabilities

Google's veo-3.1-generate-preview route supports Not listed in the catalog. The catalog does not list a category for this model.

veo-3.1-generate-preview scene creation

Turn a written brief into short-form scenes through /v1/videos, ready for creative iteration.

veo-3.1-generate-preview reference-led motion

Animate a designed frame, product, character, or storyboard when the route accepts reference media.

veo-3.1-generate-preview camera and action direction

Shape how the camera, subject, pacing, and framing develop into a coherent clip.

veo-3.1-generate-preview production handoff

Move a tested concept from prompt exploration into an authenticated Flatkey video workflow.

Compare

veo-3.1-generate-preview API comparison: capabilities and access

Compare the catalog facts for veo-3.1-generate-preview with the previous-generation baseline before changing your integration.

CapabilityPrevious generationveo-3.1-generate-preview
ProviderNot verified in this catalog snapshotGoogle
ModalitiesNot verified in this catalog snapshotNot listed in the catalog
ContextNot verified in this catalog snapshotContext window not listed in the catalog
EndpointNot verified in this catalog snapshot/v1/videos
BillingNot verified in this catalog snapshot$0.32 per second

Prompt library

veo-3.1-generate-preview video generation prompt examples

Start with a veo-3.1-generate-preview prompt for short-form creator clips, then adjust the request fields shown in the playground.

Micro-drama and comic creators

A traveler waits on a rainy night platform, opens a wet brown package, and reveals an ornate antique key resting on parchment. Move from the hands and wrapping into a close view of the metal key under station light.

View full promptCollapse prompt

Creative direction

A traveler waits on a rainy night platform, opens a wet brown package, and reveals an ornate antique key resting on parchment. Move from the hands and wrapping into a close view of the metal key under station light.

Visual treatment

Photoreal rainy station drama with wet paper and warm antique-metal highlights. Keep this medium and palette consistent across all beats.

Shot plan

6-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:02

    Frame the traveler's hands around the rain-wet brown parcel.

  2. 00:02–00:04

    Unfold the wrapping to reveal parchment and the antique key.

  3. 00:04–00:06

    Ease into the ornate metal surface under steady station light.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this
Advertising and ecommerce teams

An amber serum bottle stands on a pale studio surface as a clear sheet of water splashes from the side and wraps around the glass. Droplets slide down the bottle while the camera holds a centered product close-up.

View full promptCollapse prompt

Creative direction

An amber serum bottle stands on a pale studio surface as a clear sheet of water splashes from the side and wraps around the glass. Droplets slide down the bottle while the camera holds a centered product close-up.

Visual treatment

Photoreal liquid advertising with amber glass and soft studio reflections. Keep this medium and palette consistent across all beats.

Shot plan

6-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:02

    Center the amber bottle on the pale studio surface.

  2. 00:02–00:04

    Send a single lateral water sheet around the glass while keeping its silhouette visible.

  3. 00:04–00:06

    Let the sheet break into falling droplets and hold the wet bottle.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this
Film concept and production teams

A dark oval module rests on a white turntable and mechanically unfolds its arms and rotors into a compact black quadcopter. The camera makes a restrained product orbit and stops on the fully deployed drone.

View full promptCollapse prompt

Creative direction

A dark oval module rests on a white turntable and mechanically unfolds its arms and rotors into a compact black quadcopter. The camera makes a restrained product orbit and stops on the fully deployed drone.

Visual treatment

Photoreal mechanical product animation with dark components on a clean white turntable. Keep this medium and palette consistent across all beats.

Shot plan

10-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:03

    Frame the closed oval module on the white turntable.

  2. 00:03–00:06

    Orbit slowly as the hinged arms and rotors extend in sequence.

  3. 00:06–00:10

    Stop on the fully deployed black quadcopter with all four arms visible.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this
Game art and animation teams

A glowing blue droplet strikes a black reflective surface and spreads into a translucent water creature shaped like a small lizard. A cyan ripple expands beneath it as the creature raises its head in close view.

View full promptCollapse prompt

Creative direction

A glowing blue droplet strikes a black reflective surface and spreads into a translucent water creature shaped like a small lizard. A cyan ripple expands beneath it as the creature raises its head in close view.

Visual treatment

Translucent creature-effects study with cyan emission and black mirror-like ground. Keep this medium and palette consistent across all beats.

Shot plan

6-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:02

    Hold the blue droplet above the black reflective surface.

  2. 00:02–00:04

    Show contact and one expanding cyan ripple as the liquid gathers into a small lizard form.

  3. 00:04–00:06

    Let the translucent creature raise its head and settle over its reflection.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this
Creator and explainer channels

A lab-coated conservator in an old library places an antique brass astronomical instrument on a table. The conservator adjusts its nested rings by hand while the camera moves between the mechanism and the focused face.

View full promptCollapse prompt

Creative direction

A lab-coated conservator in an old library places an antique brass astronomical instrument on a table. The conservator adjusts its nested rings by hand while the camera moves between the mechanism and the focused face.

Visual treatment

Live-action museum demonstration with aged brass and soft library illumination. Keep this medium and palette consistent across all beats.

Shot plan

10-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:03

    Establish the conservator placing the brass instrument on the library table.

  2. 00:03–00:06

    Cut closer as the nested rings turn under the fingers.

  3. 00:06–00:10

    Return to the focused face with the adjusted instrument in the foreground.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this
Music producers and visual artists

A stage performer stands in silhouette as white particle jets spiral outward and form a huge rose-like ribbon halo behind the body. Hold the wide frontal composition as the luminous petals complete their arc.

View full promptCollapse prompt

Creative direction

A stage performer stands in silhouette as white particle jets spiral outward and form a huge rose-like ribbon halo behind the body. Hold the wide frontal composition as the luminous petals complete their arc.

Visual treatment

Stage-effects performance with a dark silhouette and controlled white particle ribbons. Keep this medium and palette consistent across all beats.

Shot plan

10-second timing reference. Scale all beat boundaries proportionally to the selected output duration and compose for the selected aspect ratio.

  1. 00:00–00:03

    Establish the performer silhouette in a wide frontal stage view.

  2. 00:03–00:06

    Spiral white particle jets behind the body into rose-like ribbons.

  3. 00:06–00:10

    Complete the halo petals and hold the silhouette clear of the brightest arcs.

Continuity and finish

Preserve the established rendering style, subject identity, costume or product geometry, palette and light direction throughout. Keep moving subjects in focus; ease camera starts and stops, and let the final composition settle. Retain readable silhouettes during effects and preserve contact points during interactions.

  1. Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.

Make one like this

Why veo-3.1-generate-preview API

Why use veo-3.1-generate-preview through Flatkey?

Use one gateway for veo-3.1-generate-preview, account controls and the rest of your model catalog.

veo-3.1-generate-preview in one API

Keep the veo-3.1-generate-preview model id and endpoint explicit while using the same Flatkey key as other workloads.

Live catalog pricing

See the current veo-3.1-generate-preview billing dimensions before a request is sent, then confirm the final estimate in your account.

A practical model handoff

Test a veo-3.1-generate-preview prompt in the public playground and carry the same settings into an authenticated integration.

Usage and routing controls

Centralize keys, quotas and routing for veo-3.1-generate-preview without changing your application’s provider-facing workflow.

veo-3.1-generate-preview API

veo-3.1-generate-preview API integration guide

Use the model id above with /v1/videos; keep the request fields and billing unit documented for your route.

Send an authenticated request to /v1/videos with model set to veo-3.1-generate-preview.
Use veo-3.1-generate-preview in your SDK configuration so routing and usage reports map to the intended catalog entry.
Review $0.32 per second and account limits before scaling veo-3.1-generate-preview requests.
Start in the playground, then reuse the request shape with a Flatkey API key in your server or agent.
curl https://router.flatkey.ai/v1/videos \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-..." \
  -d '{
  "model": "veo-3.1-generate-preview",
  "prompt": "Create a short product video with veo-3.1-generate-preview: clear subject motion, realistic lighting, stable camera, and production-ready framing.",
  "duration": 8,
  "size": "1280x720"
}'
Docs

FAQ

veo-3.1-generate-preview API
pricing, features, and usage FAQs

Answers about veo-3.1-generate-preview pricing, capabilities, endpoint access and catalog limits.

What is veo-3.1-generate-preview used for?
veo-3.1-generate-preview is listed by Google for video generation; the catalog lists these modalities: Not listed in the catalog.
How is veo-3.1-generate-preview priced?
Use the pricing section above for current Flatkey prices from our pricing API.
Which API endpoint calls veo-3.1-generate-preview?
Flatkey routes this model through /v1/videos. Set the model field to veo-3.1-generate-preview and follow the fields supported by that endpoint.
What context or input limits does veo-3.1-generate-preview have?
veo-3.1-generate-preview is listed with Context window not listed in the catalog. Other limits depend on the route and current account availability, so verify them before production use.