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What is Grok?

xAI's LLM, with native access to real-time X (formerly Twitter) data. Powers Grok-on-X and Grok.com.

Definition

Grok weights real-time X conversation heavily and uses live X search. Active, credible X presence in your category shifts Grok answers within days - even when your website footprint is unchanged.

Why it matters

Grok sits in the "Surfaces & platforms" layer of the AI search stack. Teams that handle it well get cited more, recommended more, and earn more of the AI-mediated revenue in their category. Teams that ignore it spend a year wondering why their content investment never moves the needle inside ChatGPT or Perplexity.

Related terms

  • LLM SEO - Optimizing for Large Language Models - making sure ChatGPT, Claude, Gemini, Perplexity, and Grok know about, cite, and recommend your brand.
  • Mention rate - The percentage of prompts in a defined panel where an LLM names your brand. The headline metric of LLM SEO programs.

Apply it

The LLM SEO playbook ties every concept in this glossary into a single operating model. If you want to see how your brand performs across all the LLMs at once - mention rate, citation share, sentiment, rank - start with the free GEO audit or skip straight to a free Livesov account.

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