ltx-2.5/image-to-video 图片转视频

ltx-2.5/image-to-video

LTX 2.5 图片转视频可将首帧图片动画化,生成高保真、音视频同步的内容,并支持可选的末帧引导以及 720P / 1080P / 2K / 4K 输出,适用于电影感视频、社交内容、广告和制作流程。提供开箱即用的 REST 推理 API,性能出色,无冷启动,价格实惠。

示例

ltx-2.5/image-to-video 图片转视频 示例 1

参数

名称类型默认约束说明
prompt *提示词textarea—≤ 5000 chars用于生成的正向提示词。
image *图片image_upload—image/* · 1–1 items用于生成的图片。
last_image最后一帧图片image_upload—image/* · 0–1 items可选的生成末帧图片。
resolution分辨率select720p720p | 1080p | 2k | 4k视频分辨率。
duration时长slider55 ~ 20 · step 1生成媒体的时长(秒)。
seed随机种子number-1step 1用于生成的随机种子。-1 表示将使用随机种子。

输出字段

字段类型说明
videosarray<string>

API

通过统一 REST API 调用本模型;在 API Keys 页获取密钥。

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/ltx-2.5/image-to-video" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic slow push-in on a futuristic electric sports car parked on a rain-soaked neon city street at night, reflections shimmering on the pavement, subtle steam rising from vents, soft camera motion, realistic lighting, highly detailed, atmospheric, smooth natural motion",
    "image": [
      "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/09/16/fe9c5bb479a2.jpeg"
    ],
    "last_image": [],
    "resolution": "720p",
    "duration": 5,
    "seed": -1
  }
}'

# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time, requests

API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1) Submit
resp = requests.post(
    "https://www.namifusion.com/api/v1/marketplace/run/ltx-2.5/image-to-video",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic slow push-in on a futuristic electric sports car parked on a rain-soaked neon city street at night, reflections shimmering on the pavement, subtle steam rising from vents, soft camera motion, realistic lighting, highly detailed, atmospheric, smooth natural motion",
            "image": [
                "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/09/16/fe9c5bb479a2.jpeg"
            ],
            "last_image": [],
            "resolution": "720p",
            "duration": 5,
            "seed": -1
        }
    },
)
resp.raise_for_status()  # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()

# 2) Poll until a terminal state (completed / failed / cancelled).
#    This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
    if time.time() > deadline:
        raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
    time.sleep(3)
    poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
    poll.raise_for_status()
    task = poll.json()

print(task["status"], task.get("output"))
JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };

// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/ltx-2.5/image-to-video", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic slow push-in on a futuristic electric sports car parked on a rain-soaked neon city street at night, reflections shimmering on the pavement, subtle steam rising from vents, soft camera motion, realistic lighting, highly detailed, atmospheric, smooth natural motion",
      "image": [
        "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/09/16/fe9c5bb479a2.jpeg"
      ],
      "last_image": [],
      "resolution": "720p",
      "duration": 5,
      "seed": -1
    }
  }),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();

// 2) Poll until a terminal state (completed / failed / cancelled).
//    This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
  if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
  await new Promise((r) => setTimeout(r, 3000));
  const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
  if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
  task = await poll.json();
}

console.log(task.status, task.output);

文档

ltx-2.5/image-to-video

生成音画同步视频。时长为 5~20 的整数秒,分辨率支持 720p、1080p、2k、4k。默认 720p、5 秒,seed=-1 表示随机种子。 Nami 的 image 为必填单图 URL 数组,last_image 为可选单图 URL 数组。首帧已预填示例,末帧默认留空。

价格

ResolutionUSD / secondCredits / second
720p$0.1010
1080p$0.1414
2k$0.2121
4k$0.3333

Default 720p × 5 s = $0.50 = 50 credits.

与 WaveSpeed 官方标准价一致;1 美元 = 100 积分。账户专属折扣另行计算。

API

curl -X POST 'https://www.namifusion.com/api/v1/marketplace/run/ltx-2.5/image-to-video' \
  -H "Authorization: Bearer $API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "input": {
    "prompt": "A cinematic slow push-in on a futuristic electric sports car parked on a rain-soaked neon city street at night, reflections shimmering on the pavement, subtle steam rising from vents, soft camera motion, realistic lighting, highly detailed, atmospheric, smooth natural motion",
    "image": [
      "https://d1s3annbwribom.cloudfront.net/marketplace/examples/2026/09/16/fe9c5bb479a2.jpeg"
    ],
    "resolution": "720p",
    "duration": 5,
    "seed": -1
  }
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
  -H "Authorization: Bearer $API_KEY"

提交响应包含 task_uuid;轮询直至 completed 或 failed。成功结果字段为 output.videos (URL array).

WaveSpeed official model

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