Security
OpenAI’s GPT-Red Automates Prompt Injection Testing to Harden GPT-5.6 Sol
The Hacker News·July 16, 2026·1 min read
OpenAI disclosed details of GPT-Red, an internal automated red-teaming model that scales prompt injection vulnerability discovery. The AI company said GPT-Red is a strong red-teamer and that previous models are highly vulnerable to its prompt injection attacks. OpenAI uses GPT-Red to adversarially train models before deployment.
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