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xAI's large language model and assistant, integrated with the X platform and positioned around real-time information and a conversational style.
Grok is the assistant built by xAI, first announced in late 2023. It is a Transformer-based large language model offered through the X platform and standalone apps, marketed around access to current information and a distinctive conversational tone.
Grok completes the set of four frontier assistants — alongside ChatGPT, Claude and Gemini — that MultipleChat runs together for side-by-side comparison.
Primary, peer-reviewed and archival sources for this definition.
Run the same prompt across ChatGPT, Claude, Gemini and Grok — grounded in your own sources, cross-checked against each other.
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Multi-model AIRun the same prompt through ChatGPT, Claude, Gemini and Grok before trusting one answer.
GuideChoose the best model for writing, research, coding, documents, images and business work.
Buyer intentOne app for several frontier AI models, side-by-side comparison and model collaboration.
PlatformA professional workspace for using several AI models, comparing answers and creating deliverables.
Core conceptUse several frontier models together for stronger answers and fewer blind spots.
ComparisonCompare several AI answers side by side when the output matters.
WorkflowBuild a professional AI stack for documents, research, writing, images and automation.
Free toolsStart with free tools, then upgrade when multi-model workflows save real time.
