# Grok 4 timeline

entity: /record/grok-4.md  
id: ent_grok-4  


## 2025

- 2025-07-09 | context_window | 256,000 | valid | [clm_7B25253F8DC7](/claim/clm_7B25253F8DC7.md)
- 2025-07-09 | model_release | Grok 4 | valid | [clm_D83F8B7D523E](/claim/clm_D83F8B7D523E.md)

## 2026

- 2026-05-15 | retired | grok-4-0709 | valid | [clm_A31976FAF75D](/claim/clm_A31976FAF75D.md)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.