# GPT-Red beat human red teamers on a prompt injection test

> Source: <https://www.helpnetsecurity.com/2026/07/16/openai-gpt-red-prompt-injection-test/>
> Published: 2026-07-16 03:49:41+00:00

GPT-Red is an automated red-teaming model that OpenAI trains to find prompt injection weaknesses. It works the way a human red-teamer does. It sends a prompt, watches how a GPT model responds, and iterates toward a goal such as a successful data exfiltration. Training runs on self-play reinforcement learning, with GPT-Red and a set of defender models learning at the same time across many scenarios. The attacker earns reward for eliciting a valid failure. The … [More ](https://www.helpnetsecurity.com/2026/07/16/openai-gpt-red-prompt-injection-test/)

The post [GPT-Red beat human red teamers on a prompt injection test](https://www.helpnetsecurity.com/2026/07/16/openai-gpt-red-prompt-injection-test/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).