# clm_10FCD50E7C85

subject: xAI (/record/xai.md)  
predicate: model_release  
value: Grok-1.5  
valid_from: 2024-03-28  
valid_to: null  
published: 2024-03-28  
recorded: 2026-10-29  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> Mar 28, 2024 Announcing Grok-1.5 Grok-1.5 comes with improved reasoning capabilities and a context length of 128,000 tokens. Available on 𝕏 soon. Introducing Grok-1.5, our latest model capable of long context understanding and advanced reasoning.

What https://x.ai/news/grok-1.5 says, word for word.

## Sources

- https://x.ai/news/grok-1.5 (primary, xAI, published 2024-03-28)

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