# clm_FAEB44C4D7C3

subject: OpenAI (/record/openai.md)  
predicate: feature_added  
value: video extensions  
valid_from: 2026-03-12  
valid_to: null  
published: 2026-03-12  
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  

> Mar 12 Feature sora-2 sora-2-pro v1/videos v1/videos/characters v1/videos/extensions v1/batch Expanded the Sora API with reusable character references, longer generations up to 20 seconds, 1080p output for sora-2-pro , video extensions, and Batch API support for POST /v1/videos .

What https://developers.openai.com/api/docs/changelog#2026-03-12 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2026-03-12 (primary, OpenAI, published 2026-03-12)

---

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