Velokey

Grok Imagine Video 1.5 Preview

xAIVideo0.064 Credits / second≈$0.064Available
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Grok Imagine Video 1.5 is xAI's image-to-video and text-to-video model, generating 720p 24fps clips of 6-15 seconds with native audio. Access it through Velokey's unified endpoint with below-list pricing.

Image-to-videoNative synchronized audioExtend from FrameAurora motion coherence

Use cases

Animating still photos · Short-form marketing clips

Input

Text, image, or video

Output

Video

Billing

Per second

0/3

Sign up to get $0.5 in free credits — about 20 free images

Generate a video

Enter a prompt and click Generate

Pricing details

Transparent usage-based pricing with no hidden fees.

Detailed Pricing

Usage-based pricing breakdown

SpecPriceOfficialSavings
480p/second0.064 Credits≈$0.0640.08 Credits-20%
720p/second0.112 Credits≈$0.1120.14 Credits-20%
1080p/second0.2 Credits≈$0.20.25 Credits-20%

Billing Rules

  • Output price varies by model, resolution, quality, duration, or token usage.
  • Uploaded reference files may be charged separately when supported.
  • Add-on capabilities such as web search or image search may be billed per request.
  • Token-based models are billed by input and output tokens.
  • If the primary route is unavailable, Velokey may automatically switch to a stable fallback route when possible.
  • Usage is pay-as-you-go with transparent credit deduction.

* Final cost depends on the generated result.

Related models

Explore other models in the same family.

Affordable Grok Imagine Video 1.5 API

Access xAI's Grok Imagine Video 1.5 on Velokey — image-to-video and text-to-video with native synchronized audio, 720p 24fps clips of 6-15 seconds, Extend from Frame, and Aurora motion coherence, with a unified endpoint and below-list pricing.

Meet Grok Imagine Video 1.5 and its API access

Grok Imagine Video 1.5 is xAI's current production image-to-video and text-to-video model. Give it a still image and a motion description, and it animates the scene while preserving composition, subject identity, and visual style. It generates 720p video at 24fps with native synchronized audio in clips of 6 to 15 seconds, chains longer sequences via Extend from Frame, and keeps motion coherent through the Aurora engine. Velokey provides an affordable, easy-to-integrate Grok Imagine Video 1.5 API: a unified endpoint, a clear request flow, and below-list pricing for creative pipelines, marketing automation, and production apps.

Image-to-video that preserves the source

Upload a still image, describe the motion, and it animates the scene while preserving the composition, subject identity, and visual style of the source.

View Documentation →
Image-to-video that preserves the source

Native synchronized audio

Synchronized dialogue, ambient sound, sound effects, and background music are produced in the same generation pass — no separate audio tool or alignment step.

View Documentation →
Native synchronized audio

Video extension with Extend from Frame

Build longer sequences by chaining Extend from Frame: it continues a new clip from the final frame of the previous one, preserving motion continuity and lighting.

View Documentation →
Video extension with Extend from Frame

Aurora-engine motion coherence

The Aurora engine processes each clip sequentially from the first frame forward, so each frame informs the next — the key improvement over earlier AI video models, at 720p and 24fps.

View Documentation →
Aurora-engine motion coherence

How to deploy the Grok Imagine Video 1.5 API on Velokey

Get started with just a few steps.

1

Sign up and get an API Key

Sign in to the Velokey console to generate an API Key that authenticates every request sent to Grok Imagine Video 1.5.

2

Configure request parameters

Set model to grok-imagine-video-1-5, provide a starting image and a motion prompt, and choose the resolution (720p at 24fps) and duration (6 to 15 seconds).

3

Integrate and start calling

Send requests to Velokey's unified endpoint to generate 720p video with native audio, with usage managed in one console.

Real-world use cases for Grok Imagine Video 1.5

From creative work to marketing, covering many video generation scenarios.

Animating still photos

Bring a still image to life with described motion while preserving composition and subject identity — fit for portraits, product shots, and artwork.

Short-form marketing clips

Generate 720p 24fps clips with native synchronized audio in one pass — fit for social ads, promos, and product teasers.

Longer narrative sequences

Chain clips with Extend from Frame to build longer sequences that keep motion continuity and lighting across cuts.

Talking and singing scenes

Native synchronized dialogue, sound effects, and music in the same pass — fit for character scenes with speech, ambient sound, and background music.

Concept and storyboard previews

Turn a single reference image into moving previews with coherent motion — fit for pitches, mood tests, and pre-visualization.

Batch social content

Generate many short clips programmatically from images and prompts — fit for high-volume, on-brand social content pipelines.

Why choose Velokey for Grok Imagine Video 1.5

Discount on list price

Call Grok Imagine Video 1.5 at a lower price on Velokey — pay-as-you-go with no forced subscription, reducing upfront cost.

Unified API interface

One API Key accesses Grok Imagine Video 1.5 and other models — no juggling multiple accounts and keys, simplifying integration.

Complete docs and examples

Endpoint references, parameter details, and image-to-video examples help you go from a starting image to a finished clip quickly.

Stable and highly available

Automatic failover and stable fallback routes maintain availability when the primary route is down, keeping production reliable.

API Reference

Complete API call examples and parameter descriptions

Endpoint

https://api.velokey.ai/v1/chat/completions

Authentication

Bearer YOUR_API_KEY

Request Example

curl https://api.velokey.ai/v1/chat/completions \
  -X POST \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-imagine-video-1.5-preview",
    "prompt": "A cinematic shot...",
    "duration": 5,
    "resolution": "720p"
  }'

Response Example

{
  "id": "req_abc123",
  "model": "grok-imagine-video-1.5-preview",
  "created": 1234567890,
  "data": { ... }
}

Grok Imagine Video 1.5 API FAQ

What can Grok Imagine Video 1.5 do?

It is xAI's current production image-to-video and text-to-video model. It generates 720p video at 24fps with native audio, in clips ranging from 6 to 15 seconds, and can chain longer sequences via Extend from Frame.

How does image-to-video work?

Upload a still image and describe the motion, and it animates the image while preserving the composition, subject identity, and visual style of the source.

Is the audio really generated together?

Yes. Synchronized dialogue, ambient sound, sound effects, and background music are produced in the same generation pass — no separate audio tool or alignment step.

How do I make longer videos?

Use Extend from Frame: it continues a new clip from the final frame of the previous one, preserving motion continuity and lighting so you can build longer sequences.

How is it billed on Velokey?

This page's pricing area shows the current Velokey price, billed per second of generated video with a discount on list price.

Start building with Grok Imagine Video 1.5 Preview today

Use one API key to access low-cost, stable AI models through Velokey.

Get API KeyView Docs