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We fed a start frame and an end frame to the Vidu Q3 Turbo Start-End API and got a clean morph transition at 1080p in seconds.
The Vidu Q3 Turbo Start-End API generates a smooth video that transitions between two keyframes — a start frame and an end frame — with an optional guiding prompt. Duration up to 16 seconds, up to 1080p, generated audio, reproducible seed, via one OpenAI-compatible REST endpoint at 15% below official.
Input
The text prompt sent to the model
Output
SampleRun the model to replace this previewVidu Q3 Turbo Start-End API: Start-End-to-Video
Use the Vidu Q3 Turbo Start-End API to interpolate a start frame and an end frame into a smooth clip: up to 1080p, 16 seconds.
The Vidu Q3 Turbo Start-End API (video_generate.vidu_q3_turbo_f2v_novita) takes two keyframes -- a start frame and an end frame -- and generates a smooth clip that interpolates between them on the fast, cost-efficient Turbo tier. Pass exactly two image URLs in image_urls: the first is where the clip begins, the second where it lands, and the Vidu Q3 Turbo Start-End API fills in the motion. An optional prompt steers the transition, and it fits morph transitions, before-and-after reveals, seamless loops, and product turntables on the Vidu Q3 Turbo Start-End API.
Duration runs 1 to 16 seconds -- longer than the other Turbo tiers -- resolution scales up to 1080p, audio is on by default, and an is_rec flag auto-optimizes the request. Pricing on the Vidu Q3 Turbo Start-End API is $0.234 per generation -- 15% below the official rate of $0.275. Async and OpenAI-compatible on one RouterBase key across 200+ models, you POST /v1/images/generations with model=video_generate.vidu_q3_turbo_f2v_novita and two frames, then poll GET /v1/images/generations/{id} until status=success and pull the clip from a signed CDN URL on the Vidu Q3 Turbo Start-End API.
Six reasons teams ship on the Vidu Q3 Turbo Start-End API
From two keyframes to 1080p output — what the Vidu Q3 Turbo Start-End API gets right.
Two keyframes to video
Supply a start frame and an end frame and the Vidu Q3 Turbo Start-End API generates the motion that interpolates between them — you set where the clip begins and ends.
Fast, cost-efficient Turbo tier
The Vidu Q3 Turbo Start-End API is tuned for speed and volume — fast turnaround per clip so you generate start-end-to-video at scale without waiting on the top-end render.
Up to 1080p resolution
Render at 540p, 720p, or up to 1080p — the Vidu Q3 Turbo Start-End API picks resolution per call, so draft at 540p and ship at 1080p.
Up to 16 second duration
Set any duration from 1 to 16 seconds — the Vidu Q3 Turbo Start-End API runs longer than other Turbo tiers, so one render fits a loop or a longer transition.
Optional prompt, audio on by default
The prompt is optional on the Vidu Q3 Turbo Start-End API — the two frames define the shot. Generated audio is on by default and is_rec auto-optimizes the request.
OpenAI-compatible & 15% off
One endpoint, one key at $0.234/generation — 15% below the official rate. The Vidu Q3 Turbo Start-End API uses the same JSON shape as every RouterBase model.
Quickstart
Get started with the Vidu Q3 Turbo Start-End API in 3 steps
From sign-up to your first start-end-to-video call in under 5 minutes.
Supply start and end frames
Host two clean images at public URLs — start frame first, end frame second — and put both in image_urls. The Vidu Q3 Turbo Start-End API interpolates the motion between exactly these two frames.
POST to the endpoint
Send image_urls of two frames plus options like duration, resolution, and an optional prompt in JSON to POST /v1/images/generations. The Vidu Q3 Turbo Start-End API returns an async job id immediately; poll GET /v1/images/generations/{id} until status=success.
Poll and download the clip
The success response from the Vidu Q3 Turbo Start-End API contains a signed CDN URL under the results array. Drop it into a video tag or copy it to your own bucket — ready with no post-processing.
Pay only for what you use
RouterBase passes through partner-tier pricing. Compared against the model's official published API rate.
| Resolution | RouterBase | Official | Save |
|---|---|---|---|
| 540p 5s | $0.149 | −15% | |
| 720p 5s | $0.234 | −15% | |
| 1080p 5s | $0.276 | −15% |
About $0.047 per second.One run at the default settings (720p) costs $0.234.With $1 you can run this model approximately 4 times.
What teams build with the Vidu Q3 Turbo Start-End API
Real production loads running on the Vidu Q3 Turbo Start-End API and the RouterBase catalog.
The two-keyframe control is the win. We define the opening and closing pose and the Vidu Q3 Turbo Start-End API fills the motion between them.
Up to 16 seconds means our transitions never feel clipped. The Vidu Q3 Turbo Start-End API gives us the exact length we storyboard.
We batch before-and-after reveals overnight on the Vidu Q3 Turbo Start-End API — every keyframe pair ships as a clip by morning.
I passed two stills and skipped the prompt entirely. The Vidu Q3 Turbo Start-End API interpolated the whole shot from the frames alone.
RouterBase puts 200+ models behind one key. The Vidu Q3 Turbo Start-End API is our default for turning two keyframes into motion at speed.
At $0.234 per clip the Vidu Q3 Turbo Start-End API fits our budget, and resolution control lets us draft at 540p and ship at 1080p.
Same JSON shape, different model ID. Adding the Vidu Q3 Turbo Start-End API was the easiest change in our rollout.
15% off adds up fast when the Vidu Q3 Turbo Start-End API generates thousands of loops per week from keyframe pairs.
Frequently Asked Questions
Common questions about the Vidu Q3 Turbo Start-End API start-end-to-video task.
The Vidu Q3 Turbo Start-End API start-end-to-video task takes a start frame and an end frame and generates the video that transitions smoothly between the two images, on the fast Turbo tier.