# clm_AA4B5E1F3A4D

subject: OpenAI (/record/openai.md)  
predicate: feature_added  
value: function calling  
valid_from: 2023-06-13  
valid_to: null  
published: 2023-06-13  
recorded: 2026-11-03  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
cite: AsOf. "OpenAI feature added: function calling", as of 2023-06-13. Claim clm_AA4B5E1F3A4D, https://asof.is/claim/clm_AA4B5E1F3A4D, accessed 2026-11-09. Source: https://openai.com/index/function-calling-and-other-api-updates.  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> We’re announcing updates including more steerable API models, function calling capabilities, longer context, and lower prices

What https://openai.com/index/function-calling-and-other-api-updates says, word for word.

## Sources

- https://openai.com/index/function-calling-and-other-api-updates (primary, OpenAI, published 2023-06-13)

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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.
