Google's official rollout of its frontier large language model Gemini 4 Argon on October 13 drives the near-certain market consensus for today's date. Following the September 30 announcement of the model optimized for complex multi-step workflows in coding, cybersecurity defense, finance, and legal tasks, the company completed phased testing with trusted partners via the Fairwind Program before expanding global access today through the Gemini API, Google AI Studio, Antigravity platform, and the Gemini app for Pro and Ultra subscribers. This aligns with Google's competitive push against rivals like OpenAI and Anthropic, supported by strong benchmark results on long-horizon tasks and competitive introductory pricing. Limited further expansions after the November pricing adjustment represent the main remaining variables.