Grok Imagine Video 1.5 Image to Video API

xai/grok-imagine-video-v1.5/image-to-video

Grok Imagine Video 1.5 Image to Video animates a first-frame image with coherent motion, synchronized sound, and output up to 1080p. Guide the subject’s action and camera movement with a prompt, then choose a duration of 1–15 seconds.

Input
822/4096

Drag and drop files, paste from clipboard, or provide a URL. Upload one JPG, JPEG, PNG, or WebP first frame, up to 10 MB, or enter a publicly accessible HTTP(S) image URL.

1/1 files added

Examples

Animate the exact single chestnut alpaca in this first frame. In one continuous five-second locked-off wildlife shot, it gives one brief natural shake of its neck and torso, sending a modest spray of fine water droplets outward from its wet wool, then settles and stands quietly. All four hooves remain planted. Preserve its face, long neck, two ears, four legs, chestnut coat pattern and body proportions. Wool moves with the body; droplets fall naturally under gravity. Keep the stone wall and distant cloudy Andean slopes unchanged. Natural speed, no slow motion, no cuts, no new animals or transformation. Audio: a short soft wet-fur rustle during the shake and gentle highland wind, no human speech or music. No text, logos or watermark.

Keep the same man, round glasses, short black hair, dark green hoodie and laundromat from the source image. One continuous five-second fixed medium-close shot. The clothes behind the closed washer window turn slowly and come to a stop during the first two seconds. He glances toward the washer, then quietly says the single English word 'Finally.' with matching lip movement, exhales and gives a small relieved smile. Preserve his face and glasses with only subtle head movement. Keep the machine casing and window geometry perfectly stable, no cut or new objects. Audio: the low washer hum winds down to silence, his natural quiet voice says 'Finally.' once, a soft exhale follows, and faint rain continues outside. No music, subtitles, visible writing, branding or watermark.

Grok Imagine Video 1.5 Image to Video

Grok Imagine Video 1.5 Image to Video is an xAI model that develops a still image into a moving scene with synchronized sound. A single first frame establishes the subject and composition, while the prompt directs action, camera movement, and audio. Improved motion physics give weight and continuity to gestures and moving objects. Use it for product demonstrations, character moments, and storyboard shots at up to 1080p.

Why Choose Grok Imagine Video 1.5 Image to Video

  • Build motion from one first frameUse the image to establish the subject and composition, then describe how the action develops.

  • Motion with weight and continuityVideo 1.5 improves motion physics so gestures and moving objects carry more believable weight and momentum.

  • Create sound with the sceneSound effects, ambience, and dialogue are generated alongside the action. Describe the sounds and their timing in your prompt.

Parameters

ParameterRequirementUsage and values
promptRequired

Describe subject motion, camera movement, and sound in 1–4096 characters.

image_urlsRequired

Provide exactly one publicly accessible HTTP(S) image URL as the first frame. The image determines the video aspect ratio.

resolutionOptional

Choose 480p, 720p, or 1080p. Default: 720p.

durationOptional

Set an integer from 1 to 15 seconds. Default: 6.

How to Use

  1. Choose a first frameUpload a JPG, JPEG, PNG, or WebP image up to 10 MB, or enter a public image URL. Compose the image in the aspect ratio you want for the video.

  2. Direct action and soundDescribe the subject’s action, camera movement, and scene audio in Prompt. Select Resolution and Duration for the shot.

  3. Run and reviewReview the displayed cost, select Run, and play the completed video. Check the action and sound before downloading.

Pricing

Total credits = duration × the resolution rate + 2 credits for the first-frame image. One credit equals $0.005.

ConfigurationCostBilling details
480p14.5 credits/s$0.0725/second; add 2 credits ($0.01) for one image.
720p25 credits/s$0.125/second; add 2 credits ($0.01) for one image.
1080p45 credits/s$0.225/second; add 2 credits ($0.01) for one image.

Best Use Cases

  • Product demonstrationsAnimate a product photo with a measured turn or camera move, adding sound that belongs to the setting.

  • Character momentsDevelop a portrait into a short performance with an expression change, a gesture, and timed dialogue.

  • Storyboard previewsTurn a storyboard image into a timed shot to explore camera direction, movement, and ambience.

Pro Tips

  • Choose a first frame with a clear subject and room for the intended action.
  • Describe the subject’s movement and the camera’s movement separately.
  • Use one main action to establish timing, then add background motion and sound.
  • Name the sound source and timing, such as footsteps when the character starts walking.

Related Models

Grok Imagine Video 1.5 Image to Video API frequently asked questions

What is the Grok Imagine Video 1.5 Image to Video API?

Grok Imagine Video 1.5 Image to Video API is an xAI model that animates a single first-frame image into a video. It combines coherent motion, synchronized sound, and output up to 1080p. The image establishes the subject and composition, while a prompt guides action and camera movement over 1–15 seconds. Use the API documentation to integrate it or try the playground above.

How does Grok Imagine Video 1.5 animate the first-frame subject?

The image supplies the starting frame. Describe the action that follows, including its direction, pace, and camera movement. A clear subject and complete silhouette give the model a defined visual starting point.

Does Grok Imagine Video 1.5 generate synchronized sound?

Yes. Sound effects, ambience, and dialogue are generated with the video. Specify the sound source and timing in the motion prompt, such as fabric moving during a turn or footsteps following a stride.

How does Grok Imagine Video 1.5 handle video aspect ratio?

The first-frame image determines the video aspect ratio. Prepare a portrait image for a vertical composition or a landscape image for a wide shot, then choose the output resolution.

Can Grok Imagine Video 1.5 create 15-second clips?

Yes. Set Duration to 15, or choose any integer from 1 to 15. The default is 6 seconds. Plan the duration around the action, such as a quick gesture or a longer camera move.

Can Grok Imagine Video 1.5 produce 1080p video?

Yes. Select 1080p in Resolution. The other choices are 480p and 720p, with 720p selected by default. The displayed cost updates with resolution and duration.