xAIVideo
Grok Imagine Video 1.5 Lite
Low-cost Grok video clips for drafts.
video/grok-video-1.5-liteA small fox knight in a red scarf runs across a sunny meadow in a stylized 3D platformer, the camera follows from the side, bright cartoon colors.
- Price
- 3 credits / second
- Typical time
- about 28 s
- Makes
- Text to video, Image to video
- Clip length
- 5 to 15 s
Best for
Grok Imagine Video 1.5 Lite is xAI's low-cost video model. It turns a prompt or an image into a clip at 480p, 720p or 1080p for a fraction of the full model's price.
- Cheap first passes of an animation idea.
- Short looping clips for menus and store pages.
- Comparing many prompts before a final render.
Put it together
Where Grok Imagine Video 1.5 Lite fits in a game, with the models it works well with. Your agent runs every step.
A cutscene
A key frame of your own art, brought to life, with its sound and score.
A talking character
A portrait that speaks its lines in its own voice.
A store trailer
Shots for your store page, cut to music with impacts on the beats.
Price
| Mode | Model | Price |
|---|---|---|
| Text to video | Grok Imagine Video 1.5 Lite | 3 credits / second |
| Image to video | Grok Imagine Video 1.5 Lite | 3 credits / second |
Paid from your Summer credits.
Use it from code or your agent
Sign in once with summer login. Your agent or your code then runs it with your paid credits.
npx -y summer-engine@latest login
npx -y summer-engine@latest api run video/grok-video-1.5-lite \
--input '{"prompt":"a dragon circling a castle at dawn","duration":5}' \
--download .video/grok-video-1.5-lite: $0.03 per second of video. Paid from your Summer credits.
Inputs
What input takes for video/grok-video-1.5-lite. Send only what you need; Summer fills in tested defaults.
promptstringup to 4000 charactersWhat happens in the clip. Needed without imageUrl.
imageUrlstringup to 2048 charactersA public image URL to animate (image to video).
endImageUrlstringup to 2048 charactersWith imageUrl: the last frame. The same image as imageUrl makes a seamless loop. Models with an end frame: Seedance, Kling 3, Wan, Vidu, LTX 2.5, Luma, MiniMax.
referenceImageUrlsarray of string1 to 10 itemsReference to video: public images of the characters, props or style to keep (with a reference model, e.g. kling-4-ref). Motion transfer: the character to move.
videoUrlstringup to 2048 charactersAn input clip (public URL, at most 20 s): restyle or reframe it, move a character with its motion, or add sound to it (e.g. kling-video-to-audio). Billed on the clip's length.
durationintegerDefault 5 · 1 to 20Seconds; the model renders its nearest supported length.
aspectRatioenumDefault 16:9- 16:9
- 9:16
- 1:1
- 4:3
- 3:4
- 21:9
- 3:2
- 2:3
- auto
negativePromptstringup to 1000 charactersWhat the clip must not show.
resolutionenumOnly a quality the model offers; leave out for its default.
- 720p
- 1080p
- 4k
- 480p
- 768p
- 2k
- 768P
- 1080P
- 480P
Model docs · Summer API docs · Set up the Summer MCP server · Try it in the browser
Questions
- What is Grok Imagine Video 1.5 Lite good for in game development?
- Grok Imagine Video 1.5 Lite is xAI's low-cost video model. It turns a prompt or an image into a clip at 480p, 720p or 1080p for a fraction of the full model's price. Typical game uses: cheap first passes of an animation idea; short looping clips for menus and store pages; comparing many prompts before a final render.
- How much does Grok Imagine Video 1.5 Lite cost in Summer?
- In Summer Studio: Grok Imagine Video 1.5 Lite (text to video): 3 credits / second; Grok Imagine Video 1.5 Lite (image to video): 3 credits / second. It is charged from your Summer credits.
- What can Grok Imagine Video 1.5 Lite generate, and how long are the clips?
- In Summer, Grok Imagine Video 1.5 Lite supports text to video and image to video. Generated clips run 5, 6, 8, 10, and 15 seconds, in 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, and 2:3 aspect ratios at 480p, 720p, and 1080p.
- Can I use Grok Imagine Video 1.5 Lite from Claude Code, Cursor or Codex?
- Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_video with model: "grok-video-1.5-lite". Setup instructions are at summerengine.com/mcp.
- Where do Grok Imagine Video 1.5 Lite results go?
- Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.



