Skip to content

xAI · fal.ai · Text to video

Grok Imagine Video 1.5

Grok Imagine Video 1.5 (xAI), text to video, served by fal.ai. The OpenAPI schema for the xai/grok-imagine-video/v1.5/text-to-video queue. Price: 5 s: $0.40 at 480p, $0.70 at 720p, $1.25 at 1080p, i.e. $0.08, $0.14 and $0.25 per second. Asynchronous: returns a request_id; poll fal/status and fetch fal/result with model "xai/grok-imagine-video".

Usage based fal.aiVideofal/grok-imagine-video-1-5-text-to-videoListed

Activation pending; your agent will see it as unavailable until then.

Use this tool with your agent

Give this to your agent
Use my connected Agentik MCP server. I want to use the tool fal/grok-imagine-video-1-5-text-to-video (Grok Imagine Video 1.5 (xAI), text to video). Call inspect_tool with {"tool_id": "fal/grok-imagine-video-1-5-text-to-video"} first and tell me the price before anything runs. Ask me for the inputs it needs; never invent values, IDs or file URLs. When I confirm, call run_tool with tool_id "fal/grok-imagine-video-1-5-text-to-video" and my inputs, follow it with get_run if it is still running, and give me the result and the price Agentik reports. If the tool is unavailable, say so and use discover_tools to propose an alternative.
Show the prompt

Paste it into Claude, ChatGPT or Codex: your agent takes it from there, and shows the price before it runs.

Parameters

NameTypeRequiredDescription
aspect_ratiostringNoAspect ratio of the generated video. Options: 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16.
durationintegerNoVideo duration in seconds.
resolutionstringNoResolution of the output video. Options: 480p, 720p, 1080p.
promptstringYesText description of the desired video.

How your agent calls it

First inspect_tool for the current schema and price, then run_tool with the published example after confirming your inputs:

{
  "tool_id": "fal/grok-imagine-video-1-5-text-to-video",
  "input": {
    "prompt": "a red cube slowly rotating on a white table, soft studio light",
    "duration": 1,
    "resolution": "480p"
  }
}

Price and billing

Price
Usage based
Model
Per unit
Detail
The provider’s price, with no markup. Billed for measured usage.
  • The provider’s price, 0% markup.
  • One prepaid balance for every provider; your agent sees the price before it runs.
  • Pay for measured usage; unused reservations are released.