OpenAI discloses frontier-training security update
An internal research security announcement, not a new ChatGPT feature.
OpenAI disclosed on October 23, 2026 that, after pausing research following a September 20 incident, frontier reinforcement learning and internal inference resumed on October 1 with stronger defenses.
No public web, app or API launch; languages, plans and pricing are inapplicable. Company-reported, not independently tested here.
https://openai.com/index/securing-our-frontier-model-training-environment/
No public web, app or API launch; languages, plans and pricing are inapplicable. Company-reported, not independently tested here.
https://openai.com/index/securing-our-frontier-model-training-environment/
Usage conditions
- Hong Kong
- Internal research; no regional service-access announcement.
- Macau
- Internal research; no regional service-access announcement.
- Taiwan
- Internal research; no regional service-access announcement.
Official source: Securing our frontier model training environment