#deprecation
2 total
News
7 minOpenAI Ecosystem Week 43 Briefing (2026-09-01): mTLS GA, Sora 2 Countdown, Shutdown Calendar
OpenAI week 43 briefing: mTLS and X.509 workload identity federation are GA; Sora 2 and the Videos API enter the 9-24 shutdown countdown; the Prompt Caching dashboard ships; plus the official shutdown calendar through 2027-02.
Read articleRelease Notes
7 minOpenAI Deprecation Lifecycle Guide: Notice Periods, Shutdown Calendar, Migration Checklist
How OpenAI retires models and APIs: the official difference between deprecation, shut down, and legacy; notice floors of 6 months (GA) and 3 months (specialized variants); real case timelines; and a five-step migration checklist.
Read article