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xAI API
An API for the Grok AI models: a business's program sends a prompt over HTTP and receives generated text, images, video or speech in the reply.
Price: Pay per use: US$2.00 per million input tokens and US$6.00 per million output tokens for Grok 4.7 (read 13 October 2026)
Free plan: no
x.ai
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| Photo AI | Language-model calls inside the product, such as describing and moderating uploaded images. | since January 2026 | B | Photo AI product page, read 12 October 2026 | |
| Interior AI | Language model that detects the room type in the uploaded photo. Grok 4.1 Fast | since January 2026 | C | Pieter Levels, 13 January 2026: Moved all my sites LLM APIs now to xAI | |
| NightCafe | Image model in the model list on the 2026 home page. Grok | C | A public page outside the story's source list | ||
| Arcads | Video and image models offered inside the product for a different visual style. Grok Video, Grok Image | C | A public page outside the story's source list | ||
| Magai | Grok models offered in the chat; the company says it calls each lab's own API. Grok | C | A public page outside the story's source list | ||
| LLM Gateway | Serves xAI's video model through the gateway. Grok Imagine Video 1.5 Lite | C | LLM Gateway on X: profile and recent posts | ||
| Chat Thing | One of the model providers that customers can choose for their agents. Grok 4.6 | C | Chat Thing models page, read 15 October 2026 | ||
| StoryShort | Grok is one of five video models that the FAQ names for making the clips. Grok (video) | C | StoryShort home page, read 16 October 2026 |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Used in the same businesses
Other tools in the stories above, with the number of stories that share both.
Other tools for the same job
AI models, with the number of stories that use each.