# clm_10A3DCF18011

subject: Grok (/record/grok.md)  
predicate: launched  
value: SuperGrok Heavy  
valid_from: 2025-07-09  
valid_to: null  
published: 2025-07-09  
recorded: 2026-10-29  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-29  
checked: 2026-10-29 · its source page states the value and the date  

> We are also introducing a new SuperGrok Heavy tier with access to Grok 4 Heavy - the most powerful version of Grok 4.

What https://x.ai/news/grok-4 says, word for word.

## Sources

- https://x.ai/news/grok-4 (primary, xAI, published 2025-07-09)

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