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SOURCE RECORD · obs_a6be54c36188…

OpenAI · Official blog source updated

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

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Summary

The blog content and changelog are synchronized, with announcements for the newly added Ultrafast mode, sandbox billing, 12 hourly caching, etc.

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_a6be54c361887c89bc8d178fbd2be49288cff77e4139da3b12c18f8046e6f92a/

Source page

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

This link points to the source's official page (not content on this site).