Gemini 4 Argon begins rolling out in Gemini app and Antigravity, but only if you pay

Gemini 4 Argon is rolling out in the Gemini app and Antigravity, offering improved spatial problem-solving in 3D environments. Access to Argon is pay-gated, with developers using Google's paid API facing temporary pricing of $2 per million input tokens and $10 per million output tokens, including a 95% discount for cached tokens. This pricing is valid until November 30, after which rates will increase to $4 per 1M input tokens and $20 per 1M output tokens, a factor developers must consider for their workflows.

This report is the first to detail the specific pricing structure and upcoming price increases for Gemini 4 Argon's API access, unlike general announcements.