Wan 2.1 I2V Plus 720P | Fast Image-to-Video API

WAN 2.1 — Image-to-Video Model-Plus (720p)

WAN 2.1 is an advanced image-to-video generation model that transforms static images into smooth, cinematic 5-second motion clips. This 720p version provides the ideal balance between visual quality and generation speed — perfect for professional content creation and rapid storytelling.

🌟 Key Features

Cinematic Motion Generation Adds natural depth, parallax, and camera motion effects to bring still images to life.
High Temporal Consistency Maintains stable structure and lighting across all frames for smooth playback.
Balanced 720p Output Delivers clear HD video optimized for both web and mobile distribution.
Lightweight and Efficient Produces professional-quality motion in seconds, minimizing compute cost and latency.
Creative Flexibility Works across diverse visual styles — from portraits and landscapes to products and illustrations.

⚙️ Capabilities

Input: Single image (JPEG / PNG)
Output: 5-second 720p MP4 video
Supports: Camera motion, lighting drift, and subject parallax effects

💰 Pricing

Duration	Resolution	Cost (USD)
5 seconds	720p	$0.70

💡 Best Use Cases

Social Media & Marketing — Animate photos into attention-grabbing motion content.
E-commerce & Branding — Add cinematic motion to product visuals and hero shots.
Art & Photography — Turn static compositions into immersive short clips.
Education & Storytelling — Visualize concepts and narratives dynamically.

📝 Notes

For best results, upload clear, high-resolution images with good lighting and contrast.
Simple prompts and compositions yield the most stable motion.

Wan 2.1 I2v Plus 720p API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/alibaba/wan-2.1/i2v-plus-720p with your input as JSON. The endpoint returns a prediction id; poll the prediction endpoint until status flips to completed, then read the output URL from data.outputs[0]. Examples for Wan 2.1 I2v Plus 720p below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/alibaba/wan-2.1/i2v-plus-720p" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "image": "https://example.com/your-input.jpg",
    "duration": 5,
    "enable_prompt_expansion": false,
    "negative_prompt": "blurry, low quality, distorted",
    "seed": -1
}'

# Response includes a prediction id. Poll for the result:
curl -X GET "https://api.wavespeed.ai/api/v3/predictions/{request_id}/result" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY"

# When status is "completed", read the output from data.outputs[0].

Node.js example

// npm install wavespeed
const WaveSpeed = require('wavespeed');

const client = new WaveSpeed(); // reads WAVESPEED_API_KEY from env

const result = await client.run("alibaba/wan-2.1/i2v-plus-720p", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "image": "https://example.com/your-input.jpg",
        "duration": 5,
        "enable_prompt_expansion": false,
        "negative_prompt": "blurry, low quality, distorted",
        "seed": -1
});

console.log(result.outputs[0]); // → URL of the generated output

Python example

# pip install wavespeed
import wavespeed

output = wavespeed.run(
    "alibaba/wan-2.1/i2v-plus-720p",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "image": "https://example.com/your-input.jpg",
    "duration": 5,
    "enable_prompt_expansion": false,
    "negative_prompt": "blurry, low quality, distorted",
    "seed": -1
}
)

print(output["outputs"][0])  # → URL of the generated output

Wan 2.1 I2v Plus 720p API — Frequently asked questions

What is the Wan 2.1 I2v Plus 720p API?

Wan 2.1 I2v Plus 720p is a Alibaba model for video generation from images, exposed as a REST API on WaveSpeedAI. WAN 2.1 i2v-plus 720P turns still images into smooth image-to-video clips, enabling unlimited AI videos from image inputs. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Wan 2.1 I2v Plus 720p API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID; poll the prediction endpoint until status flips to "completed", then read the output URL from the result. The playground generates a ready-to-paste code sample in Python, JavaScript, or cURL for whatever inputs you've set. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/alibaba/alibaba-wan-2.1-i2v-plus-720p.

How much does Wan 2.1 I2v Plus 720p cost per run?

Wan 2.1 I2v Plus 720p starts at $0.70 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Wan 2.1 I2v Plus 720p accept?

Key inputs: `prompt`, `image`, `duration`, `seed`, `negative_prompt`, `enable_prompt_expansion`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/alibaba/alibaba-wan-2.1-i2v-plus-720p.

How long does Wan 2.1 I2v Plus 720p take to generate?

Average end-to-end generation time on WaveSpeedAI is around 345 seconds per request — measured across recent runs. Queue time scales with global demand; live status is visible in the prediction record.

Can I use Wan 2.1 I2v Plus 720p outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Alibaba). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.

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