--- title: Academia | Scenario Docs --- > This page is auto-generated from model configurations. Last updated: 2026-04-09. This reference lists all available **Academia** video upscale models and their parameters. Use these parameter names when calling the [Generation API](/api/postgeneratecustom/index.md). - [Flash VSR Upscale Video](#flash-vsr-upscale-video) --- ## Flash VSR Upscale Video Upscale your videos using FlashVSR with the fastest speeds! **Model ID:** `model_flash-vsr-video-upscale` **Capabilities:** `video2video` **LLM Markdown:** | Parameter | Type | Required | Default | Min | Max | Allowed Values | Description | | ----------------- | ------- | -------- | ---------- | --- | --- | ---------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `video` | file | Yes | - | - | - | - | Video to upscale | | `upscaleFactor` | number | No | `2` | 2 | 4 | - | How much to upscale the image | | `acceleration` | string | No | `regular` | - | - | `regular`, `high`, `full` | Acceleration mode for VAE decoding. Options: regular (best quality), high (balanced), full (fastest). More acceleration means longer duration videos can be processed too. | | `colorFix` | boolean | No | `true` | - | - | - | Color correction enabled. | | `quality` | number | No | `70` | 0 | 100 | - | Quality level for tile blending. Higher values (80-100) provide better quality with more tile overlap, lower values (0-40) prioritize speed. Recommended: 60-80 for balanced results. | | `preserveAudio` | boolean | No | `false` | - | - | - | Preserve the audio of the input video. | | `outputQuality` | string | No | `high` | - | - | `low`, `medium`, `high`, `maximum` | The quality of the output video | | `outputWriteMode` | string | No | `balanced` | - | - | `fast`, `balanced`, `small` | The write mode of the output video |