Wan 2.2 5B Fast

Video generationNewAvailable
by Alibaba (Wan)Model ID: wan-2-2-5b-fast

The fastest Wan 2.2 text-to-image and image-to-video model

Price
US$0.030/video
Aspect ratios
16:9, 9:16
Input โ†’ output
Text + Image โ†’ Video
Developer
Alibaba (Wan)
Updated
September 24, 2026
01

Playground

Try Wan 2.2 5B Fast

Input & output

US$0.030/video
Try Wan 2.2 5B Fast
Output
Your video appears here.

This run

US$0.03 ยท 3 credits

For accounts without a purchase: runs above 2 credits need a top-up.

New here?

10 free credits (US$0.10) when you sign up with Google

Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.

02

Examples

Real outputs from the public examples of this model on Replicate, with the prompt and settings that produced them. They were not generated live on this page.
  • InputInput

    Prompt

    a car is driving at speed along a runway, it leaves us in the dust

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    resolution
    720p
    num_frames
    121
    frames_per_second
    24
  • Prompt

    A cat walking in the grass

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    resolution
    480p
    num_frames
    121
    frames_per_second
    24
  • Prompt

    A cat walking in the grass

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    resolution
    480p
    num_frames
    121
    frames_per_second
    24
03

About Wan 2.2 5B Fast

TL;DRAs of September 24, 2026

Wan 2.2 5B Fast is a model by Alibaba (Wan) in the Video generation category. On Railwail, Wan 2.2 5B Fast costs US$0.030 per video. Depending on the settings, the price ranges from US$0.015/video to US$0.030/video. Supported aspect ratios: 16:9 and 9:16.

04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
resolution: 480pUS$0.015 per video
resolution: 720pDefaultUS$0.030 per video
  • 1 credit = US$0.01

Cost calculator

Price calculator

Variant

Total

US$3.00

300 credits

Per run

US$0.03 ยท 3 credits

Fixed price per run, known before the run starts.

05

API

Call Wan 2.2 5B Fast with your Railwail API key. Use this model ID in the request:
curl https://railwail.com/api/v1/videos/generations \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "wan-2-2-5b-fast",
    "prompt": "A slow drone shot over a misty pine forest at sunrise"
  }'

# Response: {"job_id": "...", "status": "queued", ...}
# Poll until status is completed, failed or cancelled:
curl https://railwail.com/api/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAILWAIL_API_KEY"
Set your key as RAILWAIL_API_KEYCreate API key

Videos run asynchronously: the first call returns a job_id; query /api/v1/jobs/JOB_ID until the status is completed.

06

Specifications

Model ID
wan-2-2-5b-fast
Developer
Alibaba (Wan)
Input
Text, Image
Output
Video
Aspect ratios
16:9, 9:16
Billing
Fixed price, known before the run
Catalog entry updated
September 24, 2026

Input parameters

Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.

  • promptrequired
    Type: Text
    Default: โ€“
    Allowed values: โ€“
  • start_image
    Type: Image
    Default: โ€“
    Allowed values: โ€“
  • aspect_ratio
    Type: Choice
    Default: โ€“
    Allowed values: 16:9 or 9:16

Tags

  • replicate
  • wan-video
  • text-to-video
07

Use cases

08

Frequently asked questions

What is Wan 2.2 5B Fast?

Wan 2.2 5B Fast is a model by Alibaba (Wan) in the Video generation category. On Railwail you can call it with an API key through the Railwail API.

How much does Wan 2.2 5B Fast cost on Railwail?

On Railwail, Wan 2.2 5B Fast costs US$0.030 per video. Depending on the settings, the price ranges from US$0.015/video to US$0.030/video. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals US$0.01.

Which settings does Wan 2.2 5B Fast support?

According to its input schema, Wan 2.2 5B Fast knows these parameters: prompt, start_image and aspect_ratio (16:9 or 9:16).

How fast is Wan 2.2 5B Fast?

There are not enough measured runs of Wan 2.2 5B Fast on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is Wan 2.2 5B Fast better than Google Veo 3.1?

That depends on the task. Wan 2.2 5B Fast (Alibaba (Wan)) and Google Veo 3.1 (Google DeepMind) are both models in the Video generation category. The comparison page shows their prices and specifications side by side.

Compare Wan 2.2 5B Fast and Google Veo 3.1

Can Wan 2.2 5B Fast use an image as input?

Yes. Send the image in the start_image parameter.

How do I use Wan 2.2 5B Fast through the API?

Create a Railwail API key and send your request with the model ID wan-2-2-5b-fast. Code examples for curl, Python and JavaScript are in the API section of this page.

09

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Use Wan 2.2 5B Fast via the API

One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = US$0.01.