Grok Imagine Video Extend
Grok Imagine Video Extend continues an existing clip using xAI Grok Imagine Video. Provide a source MP4 (2–15 seconds) and a text prompt describing what should happen next; the model generates a 2–10 second extension and returns the original and extension stitched together. Output resolution follows the input video.
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Grok Imagine Video Extend continues an existing clip using xAI Grok Imagine Video. Provide a source MP4 (2–15 seconds) and a text prompt describing what should happen next; the model generates a 2–10 second extension and returns the original and extension stitched together. Output resolution follows the input video.
Connect Claude, Cursor, VS Code, or Codex to Layer’s MCP server and Grok Imagine Video Extend becomes a tool your agent can reach for — it picks the parameters, runs the generation, and shows you the result in the conversation.
https://mcp.app.layer.ai/mcpAsk your agent
“Use Grok Imagine Video Extend to animate a torch-lit dungeon corridor with a slow dolly forward.”
execute_forge({
"base_model_id": "grok-imagine-video-extend",
"prompt": "A torch-lit dungeon corridor, slow dolly forward",
"batch_size": 1,
"duration_seconds": 2
})Authenticate with a personal access token, post the model’s own form, and poll the inference until it completes. Every field below is accepted by this endpoint.
# Start the generation — returns an inference id straight away.
curl -X POST https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/base-models/xai-grok-imagine-video-extend/inferences \
-H "Authorization: Bearer $LAYER_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A torch-lit dungeon corridor, slow dolly forward"
}'
# Poll until status is "complete" — the response then carries the asset URLs.
curl https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/inferences/$INFERENCE_ID \
-H "Authorization: Bearer $LAYER_TOKEN"- prompt stringrequired
- Describe what to generate, or the change to make.
- duration_seconds integerdefault 2
- Length of the generated clip, in seconds.
- guidance_file_init_video file[]required
- The video to modify
- prompt_language string
- The language the prompt is written in, so it reaches the model as you meant it.
Why use Grok Imagine Video Extend for video?
Cinematic video generation
Grok Imagine Video Extend creates high-fidelity video content suitable for trailers, gameplay previews, and marketing materials with temporal consistency.
Flexible input modes
Generate from text prompts, reference images, or existing video. Supports various aspect ratios and durations for different content needs.
Production-ready output
Clean motion, stable framing, and coherent transitions make outputs ready for direct use in UA campaigns and social content.
Game trailers and cinematic previews
Create attention-grabbing trailers and gameplay previews that showcase your game at its best. High temporal consistency ensures smooth, professional results.
UA video creative at scale
Generate dozens of video ad variants for A/B testing across platforms. Rapid iteration lets performance teams optimize creative angles quickly.
Character animations and in-game cinematics
Bring characters to life with animated sequences for cutscenes, promotional materials, and social content.
FAQ
How much does Grok Imagine Video Extend cost? Is it free?+
How does Layer's pricing work?+
There are no seat fees, feature gates, or plans on Layer. Instead, our platform uses a consumption based system with Creative Units (CUs) with a flexible monthly subscription. Every generation on Layer (image, video, 3D, or audio) consumes a Creative Unit, and you only pay for what you create.
What Elo score does Grok Imagine Video Extend have?+
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