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
Output
PreviewRequest 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.
{
"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.
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.
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.
Add credits
Use the same Flatkey balance and API key across image, video, audio, and text models.
- 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.
| Capability | Previous generation | veo-3.1-generate-preview |
|---|---|---|
| Provider | Not verified in this catalog snapshot | |
| Modalities | Not verified in this catalog snapshot | Not listed in the catalog |
| Context | Not verified in this catalog snapshot | Context window not listed in the catalog |
| Endpoint | Not verified in this catalog snapshot | /v1/videos |
| Billing | Not 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.
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.
Collapse 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.
- 00:00–00:02
Frame the traveler's hands around the rain-wet brown parcel.
- 00:02–00:04
Unfold the wrapping to reveal parchment and the antique key.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
Collapse 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.
- 00:00–00:02
Center the amber bottle on the pale studio surface.
- 00:02–00:04
Send a single lateral water sheet around the glass while keeping its silhouette visible.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
Collapse 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.
- 00:00–00:03
Frame the closed oval module on the white turntable.
- 00:03–00:06
Orbit slowly as the hinged arms and rotors extend in sequence.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
Collapse 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.
- 00:00–00:02
Hold the blue droplet above the black reflective surface.
- 00:02–00:04
Show contact and one expanding cyan ripple as the liquid gathers into a small lizard form.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
Collapse 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.
- 00:00–00:03
Establish the conservator placing the brass instrument on the library table.
- 00:03–00:06
Cut closer as the nested rings turn under the fingers.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
Collapse 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.
- 00:00–00:03
Establish the performer silhouette in a wide frontal stage view.
- 00:03–00:06
Spiral white particle jets behind the body into rose-like ribbons.
- 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.
Avoid: identity drift, extra limbs, duplicated props, intersecting geometry, texture flicker, exposure pumping, abrupt camera jumps, unrequested text, logos or watermarks.
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.
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" }'
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.