# clm_1900768BCEF6

subject: Gemini (/record/gemini.md)  
predicate: model_release  
value: Gemini 3.1 Pro  
valid_from: 2026-02-19  
valid_to: null  
published: 2026-02-19  
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  

> 2026.02.19 Gemini 3.1 Pro: A smarter model for your most complex tasks What: Building on the Gemini 3 series, we’re releasing 3.1 Pro, a smarter and more capable model for complex problem-solving.

What https://gemini.google/release-notes/#2026-02-19 says, word for word.

## Sources

- https://gemini.google/release-notes/#2026-02-19 (primary, Google, published 2026-02-19)

---

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