Google broadly releases Gemini 4 Argon with intro API pricing of $2/$10 per 1M tokens
Google opened Gemini 4 Argon to the paid Gemini API, Google AI Studio, Antigravity (Ultra), and Gemini app / AI Mode for Pro and Ultra subscribers. Introductory API rates are $2 input / $10 output per million tokens through November 30, then $4 / $20. Google positions Argon for long-horizon coding, enterprise workflows, and cyber defense.