xAI
This page is auto-generated from model configurations. Last updated: 2026-08-18.
This reference lists all available xAI video generation models and their parameters. Use these parameter names when calling the Generation API.
- Grok Edit Video
- Grok Extend Video
- Grok Imagine Video
- Grok Imagine Video 1.5
- Grok Video 1.5 Reference to Video
Grok Edit Video
Section titled “Grok Edit Video”Edit an existing video with natural-language instructions using xAI Grok Imagine.
Model ID: model_xai-grok-edit-video
Capabilities: video2video
LLM Markdown: https://app.scenario.com/api/models/model_xai-grok-edit-video/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Instructions for how to edit the video (style, objects, environment, motion) |
video | file | Yes | - | - | - | - | Video to edit. Auto-preprocessed to max 8.7s at 720p. |
Grok Extend Video
Section titled “Grok Extend Video”Extend an existing video with new footage using xAI Grok: up to 15s of source video is preprocessed at 720p, then 2–10s of continuation is generated from your prompt.
Model ID: model_xai-grok-extend-video
Capabilities: video2video
LLM Markdown: https://app.scenario.com/api/models/model_xai-grok-extend-video/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe how the video should continue after the input clip |
video | file | Yes | - | - | - | - | Source video to extend. |
duration | number | No | 6 | 2 | 10 | - | Seconds of new footage to generate (2-10) |
Grok Imagine Video
Section titled “Grok Imagine Video”Generate videos using xAI’s Grok model — text-to-video and image-to-video (up to 15s) at 480p or 720p with flexible aspect ratios
Model ID: model_xai-grok-imagine-video
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_xai-grok-imagine-video/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Text description of the video to generate |
image | file | No | - | - | - | - | Source image for image-to-video generation. The model will animate the provided image based on the text prompt. |
numOutputs | number | No | 1 | 1 | 4 | - | Number of videos to generate concurrently |
duration | number | No | 5 | 1 | 15 | - | Output video duration in seconds (1–15) |
aspectRatio | string | No | auto | - | - | auto, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 | Aspect ratio for the generated video. Auto will use the aspect ratio of the source image or 16:9 by default in Text to Video mode. |
resolution | string | No | 480p | - | - | 480p, 720p | Output resolution for the generated video |
Grok Imagine Video 1.5
Section titled “Grok Imagine Video 1.5”Generate videos with xAI’s Grok Imagine Video 1.5 — text-to-video and image-to-video up to 15s at 480p, 720p, or 1080p with flexible aspect ratios and native audio
Model ID: model_xai-grok-imagine-video-1-5
Capabilities: txt2video, img2video
LLM Markdown: https://app.scenario.com/api/models/model_xai-grok-imagine-video-1-5/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Text description of the video to generate. For image-to-video, describe how to animate the source image. |
image | file | No | - | - | - | - | Optional source image for image-to-video. When set, the model animates this frame from the prompt. Omit for text-to-video. |
numOutputs | number | No | 1 | 1 | 4 | - | Number of videos to generate concurrently |
duration | number | No | 5 | 1 | 15 | - | Output video duration in seconds (1-15) |
aspectRatio | string | No | auto | - | - | auto, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 | Aspect ratio for the generated video. Auto uses the source image ratio for image-to-video, or 16:9 for text-to-video. |
resolution | string | No | 720p | - | - | 480p, 720p, 1080p | Output resolution for the generated video. 1080p is available on Grok Imagine Video 1.5 for text-to-video and image-to-video. |
Grok Video 1.5 Reference to Video
Section titled “Grok Video 1.5 Reference to Video”Generate subject-consistent video with xAI Grok Imagine Video 1.5 from a prompt plus 1–3 reference images (tag as @image1 / <IMAGE_1> in the prompt). Up to 15s at 480p or 720p with native audio.
Model ID: model_xai-grok-imagine-video-1-5-reference-to-video
Capabilities: img2video
LLM Markdown: https://app.scenario.com/api/models/model_xai-grok-imagine-video-1-5-reference-to-video/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Describe the video. Refer to reference images as @image1, @image2, @image3 (or <IMAGE_1>, <IMAGE_2>, <IMAGE_3>) — order matches your uploaded images. Unlike a first-frame image, references guide people, objects, and clothing without locking the opening frame. |
referenceImages | file_array | Yes | - | - | - | - | 1 to 7 reference images of people, objects, or clothing to feature. Refer to them in the prompt as @image1 / <IMAGE_1> (first image), @image2 / <IMAGE_2>… @image7 / <IMAGE_7>. |
numOutputs | number | No | 1 | 1 | 4 | - | Number of videos to generate concurrently |
duration | number | No | 5 | 1 | 15 | - | Output video duration in seconds (1-15) |
aspectRatio | string | No | auto | - | - | auto, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16 | Aspect ratio for the generated video. Auto defaults to 16:9 for reference-to-video. |
resolution | string | No | 480p | - | - | 480p, 720p | Output resolution. Reference-to-video supports 480p and 720p (1080p is not available for this mode). |