Veo 3.1 Quality

Google Veo 3.1 Quality 高质量视频生成,支持 720p/1080p/4k,文生视频与图生视频。

CokeAPI 接入 Google Veo 3.1 Quality 视频模型。默认是异步任务: POST 创建后拿到 task_id,再通过 GET /v1/generations/{task_id} 轮询直到 succeeded。

图生视频提示:生成接口不再接收内联 base64 图片数据。请先使用文件上传接口上传参考图片获取 URL,再传入 image_urls。

模型 ID: veo3.1-quality

调用示例

curl https://cokeapi.com/v1/video/generations \
  -H "Authorization: Bearer sk-xxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3.1-quality",
    "prompt": "一只橘猫在雪地中奔跑,电影级画面,超高清",
    "aspect_ratio": "16:9",
    "resolution": "1080p",
    "duration": 8
  }'

curl https://cokeapi.com/v1/video/generations \
  -H "Authorization: Bearer sk-xxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3.1-quality",
    "prompt": "镜头缓慢推进,主体转身面向镜头",
    "image_urls": ["https://cdn.cokeapi.com/uploads/2026/05/17/start.png", "https://cdn.cokeapi.com/uploads/2026/05/17/end.png"],
    "aspect_ratio": "16:9",
    "metadata": {
      "generation_type": "frame",
      "resolution": "1080p"
    }
  }'

curl https://cokeapi.com/v1/video/generations \
  -H "Authorization: Bearer sk-xxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo3.1-quality",
    "prompt": "海豚在碧蓝海洋中跳跃",
    "duration": 8,
    "aspect_ratio": "16:9",
    "image_urls": ["https://cdn.cokeapi.com/uploads/2026/05/17/start.jpg", "https://cdn.cokeapi.com/uploads/2026/05/17/end.jpg"],
    "metadata": {
      "generation_type": "frame",
      "resolution": "1080p",
      "enable_gif": false
    }
  }'

TASK_ID="01HX..."
curl https://cokeapi.com/v1/generations/$TASK_ID \
  -H "Authorization: Bearer sk-xxxxxxxx"

import httpx, time

BASE = "https://cokeapi.com/v1"
HEADERS = {"Authorization": "Bearer sk-xxxxxxxx"}

r = httpx.post(
    f"{BASE}/video/generations",
    headers=HEADERS,
    json={
        "model": "veo3.1-quality",
        "prompt": "一只橘猫在雪地中奔跑,电影级画面",
        "aspect_ratio": "16:9",
        "resolution": "1080p",
        "duration": 8,
    },
    timeout=60,
)
task_id = r.json()["id"]

while True:
    r = httpx.get(f"{BASE}/generations/{task_id}", headers=HEADERS, timeout=30)
    data = r.json()
    if data["status"] in ("succeeded", "failed", "refunded"):
        print(data)
        break
    time.sleep(5)

const BASE = "https://cokeapi.com/v1";
const KEY = process.env.COKEAPI_KEY;

const create = await fetch(`${BASE}/video/generations`, {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "veo3.1-quality",
    prompt: "一只橘猫在雪地中奔跑,电影级画面",
    aspect_ratio: "16:9",
    resolution: "1080p",
    duration: 8,
  }),
});
const { id: taskId } = await create.json();

while (true) {
  const poll = await fetch(`${BASE}/generations/${taskId}`, {
    headers: { "Authorization": `Bearer ${KEY}` },
  });
  const data = await poll.json();
  if (["succeeded", "failed", "refunded"].includes(data.status)) {
    console.log(data);
    break;
  }
  await new Promise((r) => setTimeout(r, 5000));
}

请求参数

参数	类型	必填	默认值	说明
model	string	是	`veo3.1-quality`	模型 ID
prompt	string	是	—	视频描述文本
duration	int	否	8	时长秒数: 固定 `8`
aspect_ratio	string	否	`16:9`	`16:9` / `9:16`
image_urls	string[]	否	—	参考图片 URL 列表,用于图生视频(首帧驱动)
metadata	object	否	—	扩展参数,见下方说明

metadata 字段

参数	类型	说明
metadata.generation_type	string	生成类型: `frame`(首尾帧插值) / `reference`(参考图生视频)。不传时根据图片数量自动判断
metadata.resolution	string	视频分辨率: `720p`(默认) / `1080p` / `4k`
metadata.enable_gif	bool	启用 GIF 输出,默认 `false`。与 1080p/4k 不能同时使用

响应

创建任务 (`POST`)

{
  "id": "video_abc123def456",
  "task_id": "video_abc123def456",
  "object": "video.generation.task",
  "status": "queued",
  "progress": 0,
  "model": "veo3.1-quality",
  "kind": "video",
  "mode": "text_to_video",
  "created": 1768380224
}

查询任务 (`GET /v1/generations/{task_id}`)

完成后:

{
  "id": "video_abc123def456",
  "task_id": "video_abc123def456",
  "object": "video.generation.task",
  "status": "succeeded",
  "progress": 100,
  "model": "veo3.1-quality",
  "kind": "video",
  "mode": "text_to_video",
  "result": {
    "id": "video_abc123def456",
    "object": "video.generation",
    "created": 1768380224,
    "model": "veo3.1-quality",
    "data": [
      {
        "url": "https://cdn.cokeapi.com/v/video_abc123def456.mp4",
        "duration_ms": 8000,
        "width": 1920,
        "height": 1080
      }
    ]
  },
  "created": 1768380224
}

任务状态说明

状态	说明
queued	任务已排队等待处理
running	任务正在处理中
succeeded	任务已完成
failed	任务失败
refunded	任务失败已退款

计费

按 6 秒基准档计费,超过 6 秒按 10 秒档计费(费用 = 基准价 × 10/6)。

分辨率	6 秒基准价	10 秒价
720p	$0.48	$0.8
1080p	$0.48	$0.8
4k	$0.98	$1.633

时长固定为 8 秒,按 10 秒档计费。

失败任务不计费,自动退款。价格为 2026-07 快照,以模型列表页实时价目为准。

注意事项

时长固定为 8 秒
图生视频请先上传参考图 URL,再通过 image_urls 传入
GIF 输出不能与 1080p/4k 分辨率同时使用
失败的任务不计费,会自动返还预扣点数

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