Wan 2.5 Preview API

alibaba/wan2.5-t2i-preview
Wan 2.5 Preview excels at interpreting complex prompts with precise semantic compliance, ensuring outputs closely match creative intent.
Output
$0.039 / gen
Released
Nov 13, 2025

How to use Wan 2.5 Preview API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to alibaba/wan2.5-t2i-preview.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/images/generations",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "alibaba/wan2.5-t2i-preview",
      "prompt": "A cat holding a sign that says hello"
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/images/generations", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "alibaba/wan2.5-t2i-preview",
    "prompt": "A cat holding a sign that says hello"
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/images/generations \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"alibaba/wan2.5-t2i-preview","prompt":"A cat holding a sign that says hello"}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Wan 2.5 Preview API Pricing

TypePrice
Output
$0.039 / gen

Wan 2.5 Preview Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Text-to-Image Arena
961
Human preference Elo from blind pairwise comparisons of generated images, measured independently by Artificial AnalysisSourceSeptember 21, 2026

Wan 2.5 Preview vs other models

ModelInputOutputContextBest for
$0.039 / gen
Image generation at scale
$0.325 / 1M tokens
$78 / 1M tokens
128K tokens
Image generation at scale
$6.5 / 1M tokens
$39 / 1M tokens
Image generation at scale
Image generation at scale
$0.0195 / MP (variable)
Image generation at scale

Frequently asked questions

Wan 2.5 Preview takes image, text as input and returns image.

Wan 2.5 Preview became available on November 13, 2025.

Wan 2.5 Preview is priced at $0.039 / gen.

Wan 2.5 Preview is billed per generation — a fixed charge per output rather than by prompt length.

Yes, Wan 2.5 Preview accepts image input as well as a text prompt.

Wan 2.5 Preview was built by Alibaba Cloud.

Send a request to https://api.aimlapi.com/v1/images/generations with alibaba/wan2.5-t2i-preview as the model id.

Yes. Wan 2.5 Preview is served through AI/ML API, so the same key and endpoint format used for other models applies.

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