Model-specific Buble API parameters, modes, pricing, and examples for Grok Imagine Video.

Grok Imagine Video API

Grok Imagine Video supports entertainment-oriented video generation, image-driven videos, video editing, and video extension workflows.

Model keys

gork/grok-imagine-video — Grok Imagine Video

Supported modes and inputs

Model	Mode	Label	Input requirements
`gork/grok-imagine-video`	`text_to_video`	Text to Video	Prompt max 2000 chars
`gork/grok-imagine-video`	`frames_to_video`	Frames to Video	Prompt max 2000 chars Images `start_frame`: 1-1 files, 10 MB, formats jpg, jpeg, png, webp
`gork/grok-imagine-video`	`reference_to_video`	Reference to Video	Prompt max 2000 chars Images `reference`: 1-7 files, 10 MB, formats jpg, jpeg, png, webp
`gork/grok-imagine-video`	`video_edit`	Video Edit	Prompt max 2000 chars Videos: 1-1 files, 100 MB, max 8.7s, formats mp4, mov, webm
`gork/grok-imagine-video`	`video_extension`	Video Extension	Prompt max 2000 chars Videos: 1-1 files, 100 MB, max 15s, formats mp4

Options

Model	Option	Default	Allowed values	Applies to
`gork/grok-imagine-video`	`duration`	`5s`	`1s`, `2s`, `3s`, `4s`, `5s`, `6s`, `7s`, `8s`, `9s`, `10s`, `11s`, `12s`, `13s`, `14s`, `15s`	`text_to_video`, `frames_to_video`, `video_edit`
`gork/grok-imagine-video`	`reference_to_video_duration` → `duration`	`5s`	`1s`, `2s`, `3s`, `4s`, `5s`, `6s`, `7s`, `8s`, `9s`, `10s`	`reference_to_video`
`gork/grok-imagine-video`	`video_extension_duration` → `duration`	`5s`	`2s`, `3s`, `4s`, `5s`, `6s`, `7s`, `8s`, `9s`, `10s`	`video_extension`
`gork/grok-imagine-video`	`aspect_ratio`	`16:9`	`16:9`, `9:16`, `1:1`, `4:3`, `3:4`, `3:2`, `2:3`	`text_to_video`, `frames_to_video`, `video_edit`, `reference_to_video`
`gork/grok-imagine-video`	`resolution`	`480p`	`480p`, `720p`	`text_to_video`, `frames_to_video`, `video_edit`, `reference_to_video`

Pricing

Model	Pricing
`gork/grok-imagine-video`	4 credits per second

Production guidance

Pass mode explicitly.
Use only option values listed above.
Upload media with POST /api/v1/files before calling media-input modes.
Use the exact model key for the variant you want.

Example: text to video

curl https://buble.ai/api/v1/generations \
  -H "Authorization: Bearer $BUBLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gork/grok-imagine-video",
    "mode": "text_to_video",
    "prompt": "A cinematic product launch shot with slow camera movement, premium lighting, and realistic motion",
    "duration": "5s",
    "aspect_ratio": "16:9",
    "resolution": "480p"
  }'

Example: media-guided video

curl https://buble.ai/api/v1/generations \
  -H "Authorization: Bearer $BUBLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gork/grok-imagine-video",
    "mode": "reference_to_video",
    "prompt": "Animate the source into a polished cinematic motion shot with natural camera movement",
    "image_urls": ["https://example.com/reference.png"],
    "duration": "5s",
    "aspect_ratio": "16:9",
    "resolution": "480p"
  }'

Grok Imagine Video API

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