AnalysisPolicyJuly 29, 2026

FAR.AI report finds Grok and Gemini vulnerable to automated jailbreaks

Testing revealed 448 jailbreaks for Grok 4.3/4.5 and 249 for Gemini 3.1 Pro, while Claude Opus 4.8, Fable 5, and GPT 5.5/5.6 remained impervious. The cost to successfully jailbreak these models using automated prompt generation was $58 for Grok and $278 for Gemini.

Featured · Adam Gleave

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