# clm_C79B2B50A262

subject: Google (/record/google.md)  
predicate: model_release  
value: [Gemini 4 Argon](/record/gemini-4-argon.md)  
valid_from: 2026-10-13  
valid_to: null  
published: 2026-10-13  
recorded: 2026-10-31  
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  

> 2026.10.13 Introducing Gemini 4 Argon: our frontier model for complex tasks What: Starting today, Gemini 4 Argon is rolling out globally for Google AI Pro & Ultra  subscribers in the Gemini app.

What https://gemini.google/release-notes/#2026-10-13 says, word for word.

## Sources

- https://gemini.google/release-notes/#2026-10-13 (primary, Google, published 2026-10-13)

---

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