# clm_3292CC882C02

subject: OpenAI (/record/openai.md)  
predicate: acquired  
value: Promptfoo  
valid_from: 2026-03-09  
valid_to: null  
published: 2026-03-09  
recorded: 2026-11-01  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-01  
cite: AsOf. "OpenAI acquired: Promptfoo", as of 2026-03-09. Claim clm_3292CC882C02, https://asof.is/claim/clm_3292CC882C02, accessed 2026-11-09. Source: https://openai.com/index/openai-to-acquire-promptfoo.  
checked: 2026-11-01 · its source page states the value and the date (its publisher's feed entry for the page)  

> OpenAI is acquiring Promptfoo, an AI security platform that helps enterprises identify and remediate vulnerabilities in AI systems during development

What https://openai.com/index/openai-to-acquire-promptfoo says, word for word.

## Sources

- https://openai.com/index/openai-to-acquire-promptfoo (primary, OpenAI, published 2026-03-09)

---

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