# clm_3739EE351FA1

subject: Veo (/record/veo.md)  
predicate: model_release  
value: Veo 3.1 Lite Preview  
valid_from: 2026-03-31  
valid_to: null  
published: 2026-03-31  
recorded: 2026-10-31  
confidence: 0.50  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> March 31, 2026 Launched Veo 3.1 Lite Preview, veo-3.1-lite-generate-preview , our most cost-efficient video generation model, designed for rapid iteration and building high-volume applications.

What https://ai.google.dev/gemini-api/docs/changelog#2026-03-31 says, word for word.

## Sources

- https://ai.google.dev/gemini-api/docs/changelog#2026-03-31 (secondary, Google, published 2026-03-31)

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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.