> ## Documentation Index
> Fetch the complete documentation index at: https://docs.myrouter.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Image & Video Generation

## 1. What is the difference between Nano Banana Pro and Light versions?

* Nano Banana Pro: Direct connection to the official production version, good stability, supports full features (e.g., reference images)
* Nano Banana Pro Light: Reverse-engineered version, cheaper pricing, but less stable. Some features are not supported (e.g., reference image functionality may not work), and content moderation (PROHIBITED\_CONTENT) may be triggered

Recommendation: Use the non-Light version for production environments. The Light version can be used in testing environments to save costs.

## 2. The image upscale endpoint only enlarges the image but doesn't improve clarity?

Currently, the Upscale endpoint primarily achieves "upscaling" by increasing resolution and does not have the ability to AI-redraw details. For true detail enhancement, consider using:

* Midjourney's Upscale feature (requires images generated by MJ)
* Or other dedicated image enhancement models

## 3. Image generation endpoint returns a 500 error or queue time is too long?

Possible causes:

* Resource constraints: During peak hours (e.g., afternoon, evening), video/image generation tasks may be queued (TASK\_STATUS\_QUEUED). It is recommended to avoid peak hours
* Light version instability: If using the Light version, intermittent failures may occur. It is recommended to retry or switch to the production version
* Content moderation: The prompt triggered safety moderation (e.g., Gemini returns PROHIBITED\_CONTENT). Please modify the prompt

## 4. Generated image URL is inaccessible?

The COS URLs returned by the platform are presigned links (Presigned URL) and are typically publicly accessible. If inaccessible, please check:

* Whether the URL was truncated or extra characters were added when copying
* If used in scenarios like WeChat Mini Programs, CORS (cross-origin) support needs to be configured. The platform has configured this by default. If errors persist, please contact support

## 5. Sora 2 / Veo 3.1 generation is slow or failing?

Video generation is a resource-intensive task:

* Queuing is normal: During peak hours, it may take 2-30 minutes to wait
* Task lost: If there is no result after more than 30 minutes and the query returns "task not found", the task may have failed. It is recommended to retry
* Landscape/portrait issue: The landscape/portrait parameters in some versions (e.g., Sora2) may not work properly. It is recommended to use the default landscape mode first

***

**Contact Support**

If the above FAQ does not resolve your issue, please contact technical support through the following channels:

* Email: [support@myrouter.ai](mailto:support@myrouter.ai)
* Please provide the following information:
  * Problem description + screenshots
  * Account ID (UUID)
  * Trace ID (if available, usually found in the error message)
  * Request parameters (with sensitive data redacted)