Wan 2.1 Plus overview
Wan 2.1 Plus by Alibaba Cloud
Wan2.1 Plus API combines multimodal fusion and spatiotemporal coherence for cinematic AI video generation.
Wan 2.1 Plus specs
- Model ID
alibaba/wan2.1-t2v-plus- Developer
- Alibaba Cloud
- Input
- Text
- Output
- Video
- Endpoint
POST https://api.aimlapi.com/v2/video/generations
Alibaba's Wan2.1 Plus is an advanced AI model specialized in text-to-video generation, delivering high-quality, cinematic video outputs with enhanced precision and efficiency. It integrates sophisticated multi-modal understanding to translate textual prompts into visually coherent videos, supporting large-scale video synthesis with detailed control over motion and scene composition.
Performance Benchmarks
- Video Generation Quality: High fidelity in dynamic motions, facial expressions, and object interactions
- Multi-step Reasoning: Strong contextual understanding of complex prompts for video synthesis
- Instruction Following: Enhanced adherence to user prompts and physical realism in generated videos
Key Capabilities
- Text-to-Video Synthesis: Generates smooth, contextually accurate videos from natural language descriptions
- Multi-modal Scene Understanding: Integrates scene layout, colors, lighting, and movement for cinematic effects
- Fine Control: Supports detailed prompt-based tuning for aesthetic parameters such as lighting, angle, and color tone
Comparison with Other Models
- Vs. Wan2.2-T2V: Wan2.1-T2V-Plus offers solid performance with a focus on 1080P video pricing, while Wan2.2 advances further with larger parameter models and multi-expert architecture for enhanced aesthetics and efficiency
- Vs. Gemini 2.5 Flash: Wan2.1 provides competitive text-to-video capabilities, especially valuable for cost-sensitive 1080P generation tasks
- Vs. OpenAI GPT-4 Vision: Wan2.1 emphasizes dedicated video synthesis from text with higher resolution pricing support, compared to GPT-4’s broader multimodal conversation
Limitations
- Some generated videos may include minor artifacts or inconsistencies due to prompt complexity; advanced tuning can mitigate but not fully eliminate these effects
- Currently optimized primarily for 5-second video clips, longer video generation may require additional processing
Use cases
- Creative Content Production: Filmmaking, advertising, and storyboarding requiring high-definition video output from text
- Visual Storytelling: Bringing textual narratives to life with dynamic and richly detailed visuals
- Interactive Media and Entertainment: Development of visual assets from script or dialogue inputs
- Business Presentations and Marketing: Generating tailored video content to enhance communication impact
Wan 2.1 Plus API pricing
| Usage | Price | Unit |
|---|---|---|
| Video generation | $0.5 | per generation |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Wan 2.1 Plus vs other video models: prices
AI/ML API rates for 5 models, per generation.
| Model | Per generation |
|---|---|
| $0.5 | |
| $0.43 | |
| $0.5 | |
| $0.5 | |
| $0.5 |
How to use the Wan 2.1 Plus API
View docsBuild with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API keyexport AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl 'https://api.aimlapi.com/v2/video/generations' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "alibaba/wan2.1-t2v-plus",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "alibaba/wan2.1-t2v-plus",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}
response = requests.post("https://api.aimlapi.com/v2/video/generations", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v2/video/generations", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "alibaba/wan2.1-t2v-plus",
"prompt": "A slow dolly shot through a sunlit greenhouse full of ferns, light dust in the air, natural camera motion"
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());The request returns a generation id. Poll GET https://api.aimlapi.com/v2/video/generations?generation_id=<id> until the status is completed.
Related articles
Wan 2.1 Plus FAQ
What inputs and outputs does Wan 2.1 Plus support?
Wan 2.1 Plus takes image, text, video as input and returns video.
When was Wan 2.1 Plus released?
Wan 2.1 Plus became available on November 20, 2025.
How much does Wan 2.1 Plus cost?
Wan 2.1 Plus costs $0.5 per generation on AI/ML API, billed as you go with no subscription.
How is Wan 2.1 Plus billed?
Wan 2.1 Plus is billed per generation, a fixed charge per output rather than by prompt length.
Can Wan 2.1 Plus take an existing image as input?
Yes, Wan 2.1 Plus accepts image input as well as a text prompt.
Who created Wan 2.1 Plus?
Wan 2.1 Plus was built by Alibaba Cloud.
How do I call Wan 2.1 Plus on AI/ML API?
Send a request to v2/generate/video/alibaba/generation with alibaba/wan2.1-t2v-plus as the model id.
Is Wan 2.1 Plus available through a single API key?
Yes. Wan 2.1 Plus is served through AI/ML API, so the same key and endpoint format used for other models applies.
What is the Wan 2.1 Plus model ID?
Use alibaba/wan2.1-t2v-plus as the model parameter. Requests go to https://api.aimlapi.com/v2/video/generations with your AI/ML API key.

