As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/grok-imagine-video-1-5/

# Grok Imagine Video 1.5

xAI, Grok Imagine family. Status: current. Type: video generation. Released: 2026-05-30.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| xAI API | `grok-imagine-video-1.5` | https://api.x.ai/v1/videos/generations | https://docs.x.ai/docs/guides/video-generation |
| xAI API (Lite variant, $0.02/s) | `grok-imagine-video-1.5-lite` | https://api.x.ai/v1/videos/generations | https://docs.x.ai/docs/models |
| Web app |  |  | https://grok.com |

## Pricing

- Per second: $0.08
- Unit as published: per second of generated video
- Source: https://docs.x.ai/docs/models
- Last checked: 2026-10-09

## Specs

- Input: text, image
- Output: video
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer video generation models in the registry since its release: 12. The 5 newest:
  - Gemini Omni 1.2 Flash (2026-11-05) https://postcutoff.com/m/gemini-omni-1-2-flash/
  - FLUX 3 Max (2026-10-19) https://postcutoff.com/m/flux-3-max/
  - Kling 4.0 (and 4.0 Flash) (2026-10-15) https://postcutoff.com/m/kling-4-0/
  - Tavus Griffin (Human Interaction Model) (2026-10-01) https://postcutoff.com/m/tavus-griffin/
  - HeyGen Video 1 (2026-09-30) https://postcutoff.com/m/heygen-video-1/
- Closed weights; access is hosted only.

## What stands out

- Image-to-video up to 15 s: Animates a source still (URL/base64) or prompt into clips up to 15 seconds; async job polled via GET /v1/videos/{request_id}. Source: https://docs.x.ai/docs/guides/video-generation
- Per-second pricing, text or image input: Text- or image-to-video at $0.08 per generated second (legacy grok-imagine-video $0.05/s). Source: https://docs.x.ai/docs/models

## Notes

Snapshot alias grok-imagine-video-1.5-2026-05-30. A cheaper grok-imagine-video-1.5-lite ($0.02/s on docs.x.ai, checked 2026-10-09) appeared in early Oct 2026; third-party trackers date it Oct 1 (llmreference) or Oct 8 (llmgateway), no xAI announcement found. Legacy grok-imagine-video still available at $0.05/s. Resolution/audio details not verified.

Short video generation from text or an image.

```bash
curl -X POST https://api.x.ai/v1/videos/generations -H "Authorization: Bearer $XAI_API_KEY" -H "Content-Type: application/json" \
 -d '{"model":"grok-imagine-video-1.5","prompt":"A paper boat drifting down a rainy street","duration":8}'
# then poll: curl https://api.x.ai/v1/videos/$REQUEST_ID -H "Authorization: Bearer $XAI_API_KEY"
```

Sources: https://docs.x.ai/docs/models/grok-imagine-video-1.5 , https://docs.x.ai/docs/guides/video-generation

Model page: https://postcutoff.com/m/grok-imagine-video-1-5/