On August 7, OpenAI unveiled GPT-OSS-120b and GPT-OSS-20b, its first open-weight models since 2019, claiming enhanced security against jailbreaks through rigorous adversarial training. However, within hours, notorious AI jailbreaker Pliny the Liberator successfully bypassed these safeguards, demonstrating vulnerabilities by generating dangerous instructions for substances and malware. This prompted concerns over the models’ safety measures that OpenAI had touted, which included “worst-case fine-tuning” assessments.
Despite OpenAI’s assertions about the models’ robustness, Pliny revealed his multi-stage prompt technique that effectively evaded detection. This method, resembling his prior jailbreak strategies, raises flags about the limitations of the models’ security. Concurrently, OpenAI launched a $500,000 red teaming challenge to discover risks associated with GPT-OSS.
The incident underscores ongoing challenges in AI safety and the necessity for continuous improvement in model defenses against potential misuse.
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