# clm_431B73BCD391

subject: OpenAI (/record/openai.md)  
predicate: customer  
value: [Amgen](/record/amgen.md)  
valid_from: 2025-08-07  
valid_to: null  
published: 2025-08-07  
recorded: 2026-11-03  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
cite: AsOf. "OpenAI customer: Amgen", as of 2025-08-07. Claim clm_431B73BCD391, https://asof.is/claim/clm_431B73BCD391, accessed 2026-11-09. Source: https://openai.com/index/gpt-5-amgen.  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> How Amgen uses GPT-5. Learn how Amgen uses GPT-5

What https://openai.com/index/gpt-5-amgen says, word for word.

## Sources

- https://openai.com/index/gpt-5-amgen (primary, OpenAI, published 2025-08-07)

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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.