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Grok Imagine Video Extension: Extend Video

Extend an existing video with Grok Imagine Video Extension instead of starting from a prompt. See the price first. Pay per use.

Explore this model No subscription. Sign in to create.

Make your budget tangible

What does $10 make?

All your selected credit on Grok Imagine Video Extension.

$10$500
20estimated clips

$0.48 per reference run

5-second video; default settings; 1280×720 source, 30 fps. Settings and source media affect the estimate. Review the studio price before creating.

The practical differences

Compare Grok Imagine Video Extension features and pricing

Supported controls in Supermodels, rather than measured quality rankings. Prices use each model’s stated reference workload.

CapabilitiesGrok Imagine Video ExtensionxAIGrok Imagine R2VxAIKling Avatar v2Kuaishou
Reference price$0.485-second video; default settings; 1280×720 source, 30 fps$0.486-second video; default settings$0.455-second video; default settings
Starting imageNot availableNot availableSupported
Ending frameNot availableNot availableNot available
Video inputSupportedNot availableNot available
Audio controlsNot availableNot availableSupported
Duration2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 101 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10Not available
ResolutionNot available480p · 720pNot available

From reading to making

Explore Grok Imagine Video Extension

Prepare your inputs and inspect the estimate. Generation requires an account and wallet credit.

PROMPT0 characters

Where Grok Imagine Video Extension fits

Extend a selected moment with a continuation brief.

A useful starting point

Describe what happens next while preserving the scene, subject, and camera direction.

Know the tradeoffs

Complex motion and continuity can vary between runs. Reference support and audio controls depend on the selected model.

Supermodels is an independent creative studio. Model capabilities shown here reflect the controls available in this integration.

xAI model documentation

Grok Imagine Video Extension questions and answers

What can I use Grok Imagine Video Extension for?

Extend a selected moment with a continuation brief. The studio shows the inputs and settings supported by this Supermodels integration. Review the model’s limitations before choosing it for your project.

How much does Grok Imagine Video Extension cost on Supermodels?

There is no subscription. The price depends on the model, settings, and requested output. Use the calculator for a stated reference workload, then review the studio estimate for your inputs. Wallet funding is separate from the amount spent on a run.

Can I try Grok Imagine Video Extension before signing in?

You can explore the supported controls and price estimates before signing in. Generating a result requires an account and wallet credit. Supermodels is an independent service; the controls shown apply to this integration.

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