> For the complete documentation index, see [llms.txt](https://docs.roboflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.roboflow.com/reference/changelog/changelog/august-2026/spacexai-grok-block-in-workflows.md).

# SpaceXAI Grok Block in Workflows

Workflows now has a SpaceXAI block for calling Grok vision models (Grok 4.6 and Grok 4.5). It supports the same task types as our other model blocks, including open prompts, OCR, classification, and object detection. Bring your own xAI API key to use it.

[See the SpaceXAI Workflow block](https://docs.roboflow.com/workflows/blocks/blocks/run-a-model/spacexai)