Wan 2.5 T2V Preview: Complete Specifications, Pricing, API Access & Use Cases (2026)

What Is Wan 2.5 T2V Preview?

Wan 2.5 T2V Preview is Alibaba’s text-to-video generation model, commercially launched as part of Wan2.5 Preview on November 11, 2025, featuring short video generation with synchronized audio, 480P/720P/1080P output options, and resolution-based per-second pricing as of July 2026.

Alibaba Cloud lists wan2.5-t2v-preview in the Wan video generation family. The official model documentation describes it as a "video with audio" text-to-video model with audio-video synchronization, text and audio input, 5-second and 10-second output durations, 30 fps video, and MP4 output using H.264 encoding.

The model is designed for short prompt-driven video generation rather than long-form production. Users typically evaluate it for creative concept clips, social media drafts, campaign storyboards, education visuals, and other workflows where text prompts need to produce brief video assets with matching audio. Teams comparing AI video generation model specs should review duration, output quality, audio support, pricing unit, prompt controls, and API availability before choosing a production model.

What Are Wan 2.5 T2V Preview’s Key Specifications and Pricing?

Alibaba Cloud states that the size and duration parameters affect cost, with the cost calculated as resolution-based unit price multiplied by duration in seconds. Gate.AI’s pricing page also states that image, audio, video, and similar multimodal capabilities may be billed by generation count, duration, resolution, or task specification, which is consistent with the per-second pricing model shown in the Gate.AI listing.

What Can Wan 2.5 T2V Preview Do That Makes It Useful in Production?

Wan 2.5 T2V Preview can generate short videos from text prompts. This is useful for teams that need visual motion drafts before committing budget to filming, animation, editing, or a longer creative pipeline. Because Alibaba documents 5-second and 10-second duration options, the model is best evaluated as a short-clip generator rather than a full scene or long-form video system.

The model supports video with audio. Alibaba Cloud’s model table lists "video with audio" and "audio-video synchronization" for wan2.5-t2v-preview, which makes it relevant for social clips, mood videos, audio-backed concepts, and short marketing drafts where sound and motion need to align.

Wan 2.5 T2V Preview also supports optional custom audio input through input.audio_url for Wan2.5 series models. Alibaba documents public HTTP/HTTPS audio URLs, WAV and MP3 formats, a 3-second to 30-second audio range, and a 15 MB file-size limit. If the audio is longer than the requested video duration, only the matching duration is used; if the audio is shorter, the remaining video is silent.

Resolution flexibility is another production advantage. The model supports 480P, 720P, and 1080P tiers, allowing teams to run lower-cost drafts at 480P and reserve 720P or 1080P for higher-quality preview assets. Alibaba’s API reference also lists common aspect-ratio sizes, including horizontal, vertical, and square formats across resolution tiers.

The model can fit prompt-controlled creative workflows, but it should not replace editorial review. Generated video may still need trimming, brand review, policy review, quality control, rights review, and post-production refinement before public release.

What Are Wan 2.5 T2V Preview’s Supported Modalities?

Where Does Wan 2.5 T2V Preview Fall Short?

Wan 2.5 T2V Preview is limited to short clips. Alibaba’s API reference lists valid duration values of 5 and 10 seconds for wan2.5-t2v-preview, so workflows requiring long scenes, multi-minute ads, or full narrative sequences need editing, stitching, or a different video model.

The model also has a defined prompt-length limit. Alibaba documents up to 1,500 characters for Wan2.6 and Wan2.5 series text-to-video prompts, with longer text automatically truncated. This means complex visual direction should be concise and structured.

Cost can rise quickly during iteration. Alibaba documents pricing by output resolution and duration, so repeated 1080P generations cost more than 480P draft passes. Teams using multimodal generation APIs should track resolution choice, retry volume, rejected generations, and review cycles rather than only the cost of the final accepted asset.

Gate.AI access details should also be handled carefully. The Gate.AI listing for this page identifies the model ID and pricing, while Gate.AI’s public documentation confirms OpenAI-compatible setup for supported models. However, the exact Gate.AI video-generation endpoint path, request schema, and response schema for this specific model are not visible in the public documentation reviewed for this rewrite.

This is a general AI limitation and is not model-specific unless stated by Alibaba: generated videos can contain artifacts, distorted motion, inaccurate visual details, unsafe content, misleading depictions, or poor text rendering. Human review is required for advertising, political, legal, medical, financial, identity-sensitive, copyrighted, or brand-regulated use.

What Is Wan 2.5 T2V Preview Best Used For?

Wan 2.5 T2V Preview is most suitable when the target output is a short AI-generated clip with audio. For longer narratives, complex multi-shot continuity, image-conditioned generation, or video-reference workflows, teams may need to evaluate other AI content generation models with verified duration, modality, and pricing requirements.

How Does Wan 2.5 T2V Preview Compare to Seedance 2.0 and Veo 3.1?

Wan 2.5 T2V Preview is a strong candidate for short text-to-video clips where synchronized audio, clear pricing, and 480P–1080P options are important. Seedance 2.0 and Veo 3.1 may be more relevant when a workflow needs broader multimodal references, longer clip options, or a different provider ecosystem, but production selection should be based on verified current documentation rather than headline capability claims.

How Do I Access Wan 2.5 T2V Preview Through Gate.AI?

As per the Gate.AI listing for this page, Wan 2.5 T2V Preview is available with the model ID alibaba/wan2.5-t2v-preview. The listing describes it as an Alibaba text-to-video model that can generate 5–10 second videos from text prompts with a native synchronized audio track. It supports 480P, 720P, and 1080P output tiers, priced at \$0.05/second for 480P, \$0.10/second for 720P, and \$0.15/second for 1080P, as of July 2026.

Gate.AI’s public documentation states that its OpenAI-compatible base URL is https://api.gate.ai/openai/v1, and that supported model IDs generally use the provider/model format. Gate.AI’s pricing page also states that video and similar multimodal capabilities may be billed by generation count, duration, resolution, or task specification.

The examples below use Gate.AI’s OpenAI-compatible setup, the model ID shown in the Gate.AI listing, and the listed resolution and duration options. For production use, developers should confirm the final accepted video-generation parameter names and response object in the Gate.AI console or model-specific documentation.

Python Example

from openai import OpenAI
import os
client = OpenAI(
    api_key=os.environ["GATE_AI_API_KEY"],
    base_url="https://api.gate.ai/openai/v1"
)
response = client.chat.completions.create(
    model="alibaba/wan2.5-t2v-preview",
    messages=[
        {
            "role": "user",
            "content": (
                "Generate a 10-second 720P cinematic video of a golden retriever "
                "running across a sunny beach at sunset, with gentle waves and "
                "a native synchronized audio track."
            )
        }
    ],
    extra_body={
        "resolution": "720p",
        "duration": 10
    }
)
print(response)

This Python example configures the Gate.AI client with the OpenAI-compatible base URL and calls the listed model ID alibaba/wan2.5-t2v-preview. The resolution and duration fields reflect the Gate.AI listing’s supported output options. Before deploying this request, verify whether the model-specific Gate.AI schema uses these exact field names or an alternative video-generation payload format.

curl Example

curl https://api.gate.ai/openai/v1/chat/completions \
  -H "Authorization: Bearer $GATE_AI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "alibaba/wan2.5-t2v-preview",
    "messages": [
      {
        "role": "user",
        "content": "Generate a 10-second 720P cinematic video of a golden retriever running across a sunny beach at sunset, with gentle waves and a native synchronized audio track."
      }
    ],
    "resolution": "720p",
    "duration": 10
  }'

This curl example follows Gate.AI’s OpenAI-compatible API pattern and uses an environment variable for the API key. The request includes the listed model ID, a text prompt, a 720P resolution setting, and a 10-second duration setting. Developers should verify the final response format and any model-specific video parameters in Gate.AI before using the request in production.

FAQs

What is Wan 2.5 T2V Preview’s maximum video duration?
Alibaba Cloud documents 5-second and 10-second duration options for wan2.5-t2v-preview as of July 2026.

How much does Wan 2.5 T2V Preview cost?
Alibaba’s international pricing is \$0.05/second at 480P, \$0.10/second at 720P, and \$0.15/second at 1080P as of July 2026.

Does Wan 2.5 T2V Preview support API access?
Yes. Alibaba Cloud Model Studio documents asynchronous API access. As per the Gate.AI listing, the Gate.AI model ID is alibaba/wan2.5-t2v-preview.

What is Wan 2.5 T2V Preview useful for?
It is useful for short text-to-video clips with synchronized audio, including concept visuals, social drafts, ad storyboards, training clips, and motion experiments. Human review is still required before production use.