# Wan v2.6 Image-to-Video Flash

Wan v2.6 Image-to-Video Flash is the rapid-generation variant of Alibaba Cloud's image-to-video model, delivering animated clips from still images at significantly faster speeds than the standard I2V model while retaining support for resolutions up to 1080p.

- **Model ID:** `alibaba/wan-v2.6-i2v-flash`
- **Type:** video
- **Providers:** alibaba
- **Context window:** Not applicable
- **Maximum output tokens:** 0
- **Pricing:** See the provider details below
- **Canonical page:** https://vercel.com/ai-gateway/models/wan-v2.6-i2v-flash

## Supported parameters

- **Parameters:** `aspectRatio`, `resolution`, `duration`, `fps`
- **Operations:** `image-to-video`
- **Input modalities:** `text`, `image`
- **Output modalities:** `video`
- **Aspect ratios:** `16:9`, `9:16`, `1:1`, `4:3`, `3:4`
- **Resolutions:** `720P`, `1080P`
- **Durations:** `2s`, `3s`, `4s`, `5s`, `6s`, `7s`, `8s`, `9s`, `10s`, `11s`, `12s`, `13s`, `14s`, `15s`
- **Frame rates:** `24 fps`
- **Maximum outputs per request:** Not reported
- **Maximum input images:** 1
- **Input image formats:** `jpeg`, `jpg`, `png`, `bmp`, `webp`
- **Maximum input image size:** 20 MB

## Example

```ts
import { experimental_generateVideo as generateVideo } from 'ai';

const result = await generateVideo({
  model: 'alibaba/wan-v2.6-i2v-flash',
  prompt: 'A serene mountain lake at sunrise.'
});
```

## About

Wan v2.6 Image-to-Video Flash occupies the speed-optimized position within the Wan 2.6 image-to-video family. It accepts the same inputs as the standard I2V model, a source image plus a motion-guiding text prompt, but prioritizes low generation latency, making it well-suited for creative iteration, draft reviews, and high-throughput pipelines where many animation variants need to be evaluated quickly.

Despite the speed focus, the Flash model retains the core visual improvements introduced in the 2.6 generation: better temporal consistency between frames, improved instruction-following for motion prompts, and support for the full resolution range from 480p through 1080p. Teams commonly use the Flash variant during the exploration phase of a production workflow and then route finalized prompts to the standard I2V model for polished output.

The Flash architecture also makes it practical to run animation at scale, for example, generating animated thumbnails or preview loops for a large image library, without the queue times that full-quality generation incurs. Optional audio accompaniment is available on the same pass.

## What to consider

When peak visual fidelity for a final deliverable takes priority over turnaround time, evaluate the standard wan-v2.6-i2v model alongside this Flash variant before choosing.

## When to use

### Best For

- Rapid prompt iteration and motion exploration before committing to full-quality I2V rendering
- High-throughput animation workflows where many images need to be processed in parallel with short turnaround times
- Draft preview generation for client review or storyboard approval loops
- Cost-sensitive animation pipelines that need acceptable quality at lower computational expense

### Consider Alternatives When

- If you need maximum visual fidelity for a final delivery, use wan-v2.6-i2v for the highest-quality image animation
- If your source is a text description rather than an image, use wan-v2.6-t2v
- If you need consistent character identity across multiple generated shots, use wan-v2.6-r2v or wan-v2.6-r2v-flash

## Best for

- **Rapid prompt iteration:** Exploring motion ideas before committing to full-quality I2V rendering
- **High-throughput animation workflows:** Processing many images in parallel with short turnaround times
- **Draft previews for review:** Generating quick outputs for client review or storyboard approval loops
- **Cost-sensitive animation pipelines:** Delivering acceptable quality at lower computational expense

## Consider alternatives

- **Maximum visual fidelity:** Use wan-v2.6-i2v for the highest-quality image animation in final deliverables
- **Text-only source:** Use wan-v2.6-t2v when generating from a text description rather than an image
- **Consistent character identity:** Use wan-v2.6-r2v or wan-v2.6-r2v-flash when the same subject must appear across multiple generated shots

## Frequently asked questions

### How much faster is I2V Flash compared to the standard I2V model?

The Flash variant is engineered specifically for faster generation times. Exact speed differences vary by resolution and provider, but Flash is designed for quick-iteration use cases where the standard model's generation time is prohibitive.

### Does the Flash model support 1080p output?

Yes. Despite the speed optimization, I2V Flash supports 480p, 720p, and 1080p resolutions.

### Can I include audio in the generated video?

Optional audio accompaniment is available on the same generation pass.

### What is the maximum clip duration?

Generated clips can be up to 15 seconds long.

### When should I use Flash versus the standard I2V model?

Use Flash for drafts, iteration, and high-volume tasks. Use the standard I2V model when final visual quality matters more than turnaround time.

### Does the Flash model require a different input format than the standard I2V?

No. Both models accept the same inputs: a source image and a text prompt describing the desired motion.

## Links

- [Model page](https://vercel.com/ai-gateway/models/wan-v2.6-i2v-flash)
- [AI Gateway documentation](https://vercel.com/docs/ai-gateway)
- [Provider model documentation](https://wan.video/)
- [Provider pricing](https://modelstudio.console.alibabacloud.com/ap-southeast-1/?tab=doc#/doc/?type=model&url=prices)