Google opens Gemini 4 Argon API at introductory token prices

Google has made Gemini 4 Argon globally available to developers and enterprises through the API in AI Studio and Gemini platform. The model launches at an introductory price of $2 per million input tokens and $10 per million output tokens, with cached input tokens discounted by 95%. Google says Argon supports complex, multi-step work in coding, finance, law, cybersecurity and science. It reports that internal teams using Argon in Antigravity increased agentic code submissions by more than 35% while reducing code rollbacks by nearly a third. Access also extends to Ultra subscribers in Antigravity and to Ultra and Pro subscribers in the Gemini app and AI Mode in Search.