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by xAI

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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Popularity
—
Price
3.2CU
per megapixel-second
Released
2026
January
Capabilities
2–10s
Continuing an existing clip with a seamless extensionLonger sequences built from short Grok takes

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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?+
Generating assets on Layer requires using Creative Units. This model's current price is 3.2 / megapixel second.
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?+
Grok Imagine Video Extend has an Artificial Analysis Arena Elo of 1328, which places it #15 of the 84 scored video models on Layer. Gemini Omni Flash leads that ranking with an Elo of 1368.

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