# clm_9AF2776845A6

subject: OpenAI (/record/openai.md)  
predicate: feature_added  
value: Messages  
valid_from: 2024-04-04  
valid_to: null  
published: 2024-04-04  
recorded: 2026-11-10  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-10  
cite: AsOf. "OpenAI feature added: Messages", as of 2024-04-04. Claim clm_9AF2776845A6, https://asof.is/claim/clm_9AF2776845A6, accessed 2026-11-11. Source: https://developers.openai.com/api/docs/changelog#2024-04-04.  
checked: 2026-11-10 · its source page states the value and the date  

> Apr 4 Update Added support for seed in the fine-tuning API Added support for checkpoints in the fine-tuning API Added support for adding Messages when creating a Run in the Assistants API

What https://developers.openai.com/api/docs/changelog#2024-04-04 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2024-04-04 (primary, OpenAI, published 2024-04-04)

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