OpenAI GPT-Red safety system

OpenAI introduced GPT-Red, an automated red‑team system that uses self‑play to test and improve model robustness against prompt injection and alignment failures.

One continuously updated timeline instead of dozens of separate articles. New developments are appended as the story evolves.

1. AnnouncementJul 15, 2026, 10:00 AM

   OpenAI announces GPT-Red, an automated red‑team system for improving model robustness

   OpenAI introduced GPT-Red, an automated red‑team system that uses self‑play to test and improve model robustness against prompt injection and alignment failures.

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2. 7 hours later
   AnnouncementJul 15, 2026, 05:09 PM

   OpenAI releases GPT-Red to enhance model security

   OpenAI has developed GPT-Red, an LLM designed to test the defenses of its other models. The latest GPT-5.6 model was trained against GPT-Red, making it the most robust release yet.

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