Google unveiled Gemini 4 Argon, a new frontier AI model focused on coding, research, enterprise work and cybersecurity. The model can reportedly identify, validate and patch critical software vulnerabilities, while supporting complex workflows with a 1-million-token output limit. Google unveiled Gemini 4 Argon, its latest frontier AI model, on Wednesday, 30 September. The model is intended for more complex tasks such as software development, investigation, enterprise work and writing.