Shengshuvideo

Vidu Q3 Pro Text to Video API

Name: Vidu Q3 Pro API
Brand: Shengshu
SKU: shengshu/vidu-q3-pro
Availability: InStock

Text to Video with Vidu Q3 Pro by Shengshu. Vidu's full-quality Q3 — cinematic motion and built-in audio, 1–16 s up to 1080p.

shengshu/vidu-q3-pro/text-to-video

FromUp to −25%

$0.034/s$0.045

per second of video · 540p

Operational99.74% uptime (30 days)

Create with Vidu Q3 Pro Get API key

API docs →Compare models →

Try Vidu Q3 Pro Text to Video

Prompt*

0/5000

Aspect ratio

Output frame shape.

Resolution

Output resolution. Higher resolutions cost more per second.

Duration

Length of the generated clip in seconds (1–16s). You pay per second.

Generate audio

Generate synchronized dialogue and sound effects. Included in the price.

Estimated cost…

Create a free account with Google or email — pay only for what you generate.

Your video will appear here

Write a prompt, pick your settings and hit Run. You only pay for successful generations.

Also available: Vidu Q3 Pro Image to Video

See the Vidu Q3 Pro examples and prompts

Vidu Q3 Pro Text to Video API

POST/api/v1/run/shengshu/vidu-q3-pro/text-to-video

Submits an asynchronous job and returns 202 with a generation id. Poll GET /api/v1/generations/{id} or pass webhook_url. See job lifecycle.

Input parameters

Name	Type	Description	Affects price
`prompt`required	string	Describe the shot: subject, action, camera movement, lighting and style.	No
`aspect_ratio`	string (enum)	Output frame shape. Values: 16:9 · 9:16 · 1:1 · 4:3 · 3:4 Default: 16:9	Yes
`resolution`	string (enum)	Output resolution. Higher resolutions cost more per second. Values: 540p · 720p · 1080p Default: 720p	Yes
`duration`	integer	Length of the generated clip in seconds (1–16s). You pay per second. Range: 1–16s Default: 5	Yes
`generate_audio`	boolean	Generate synchronized dialogue and sound effects. Included in the price. Default: true	No
`seed`	integer	Use the same seed and settings to reproduce a result. Leave empty for random.	No
`webhook_url`	string (URL)	Optional. We POST the finished generation here, signed with your webhook secret. Webhooks	No

Request

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/shengshu/vidu-q3-pro/text-to-video`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "A lighthouse keeper climbs the spiral stairs during a storm, lightning through the windows, the beam sweeping the waves; cut to the lamp room as she lights it",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.video.url : job.error);

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/shengshu/vidu-q3-pro/text-to-video", headers=headers, json={
    "prompt": "A lighthouse keeper climbs the spiral stairs during a storm, lightning through the windows, the beam sweeping the waves; cut to the lamp room as she lights it",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["video"]["url"] if job["status"] == "succeeded" else job["error"])

curl -X POST https://cheapergen.com/api/v1/run/shengshu/vidu-q3-pro/text-to-video \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "A lighthouse keeper climbs the spiral stairs during a storm, lightning through the windows, the beam sweeping the waves; cut to the lamp room as she lights it",
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "duration": 5
}'

Response

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "shengshu/vidu-q3-pro",
  "endpoint": "shengshu/vidu-q3-pro/text-to-video",
  "mode": "text-to-video",
  "status": "queued",
  "input": {
    "prompt": "A lighthouse keeper climbs the spiral stairs during a storm, lightning through the windows, the beam sweeping the waves; cut to the lamp room as she lights it",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5
  },
  "output": null,
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": true,
    "official_usd": null,
    "list_price_source": "official",
    "list_price_label": "Official",
    "saved_usd": null
  },
  "source": "api",
  "started_at": null,
  "completed_at": null,
  "urls": {
    "get": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4",
    "cancel": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4/cancel"
  },
  "created_at": "2026-10-15T09:21:04Z"
}

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "shengshu/vidu-q3-pro",
  "endpoint": "shengshu/vidu-q3-pro/text-to-video",
  "mode": "text-to-video",
  "status": "succeeded",
  "input": {
    "prompt": "A lighthouse keeper climbs the spiral stairs during a storm, lightning through the windows, the beam sweeping the waves; cut to the lamp room as she lights it",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5
  },
  "output": {
    "video": {
      "url": "https://cdn.cheapergen.com/outputs/gen_8c2Q.mp4",
      "content_type": "video/mp4",
      "duration": 5,
      "width": 1280,
      "height": 720
    }
  },
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": false,
    "official_usd": 0.264,
    "list_price_source": "official",
    "list_price_label": "Official",
    "saved_usd": 0.0385
  },
  "source": "api",
  "created_at": "2026-10-15T09:21:04Z",
  "started_at": "2026-10-15T09:21:06Z",
  "completed_at": "2026-10-15T09:22:31Z"
}

Vidu Q3 Pro pricing

Pay per second of video as you go, with no subscription required (monthly plans are optional). Failed generations are refunded automatically.

Tier	Official price	CheaperGen	You save
540p audio included	~~$0.045~~/s	$0.0337/s	−25%
720p audio included	~~$0.10~~/s	$0.0748/s	−25%
1080p audio included	~~$0.12~~/s	$0.0897/s	−25%

Official price: Vidu international API list price for viduq3-pro (text / image / first-and-last-frame to video), platform.vidu.com/pricing at $0.005 per credit, checked 2026-10-19 (540p 9 credits = $0.045 / s, 720p 20 = $0.10, 1080p 24 = $0.12; audio included). Prices verified October 18, 2026.