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SOURCE RECORD · obs_42e008460e73…

OpenAI · Release notesSource update

Substantive changesRecordedObservation date 2026-10-21(day precision)Revision r2

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Summary

Add feature descriptions for the newly added Agents API Ultrafast mode, sandbox billing adjustments, 12 hourly caching, preheating sandbox, and other related functions.

LLM generation

LLM The summary is machine-generated; please refer to the original text for important information.

Permanent link

https://daily.maas.click/item/obs_42e008460e735d4db7a00fce88ecb3dd151cb7cfa45a65814ce3abb212d4a372/

Source page

https://platform.openai.com/docs/changelog ↗

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