Gemini 4 Argon

Google's new frontier model for long, multi-step work. Today it is limited to a small group of security teams, with paid API customers and AI Ultra subscribers next.

Details

Can write up to 1 million tokens in a single response, up from 64,000, so it can produce very long documents or code in one pass
Takes text, images, and video as input and returns text, code, or structured responses
Today it is limited to vetted cybersecurity teams in Google's Fairwind Program, plus pre-release testing with the U.S. government
Paid Gemini API customers and Google AI Ultra subscribers are next in line, with no date given beyond 'as soon as possible'
Introductory API price is $2 per million input tokens and $10 per million output tokens, rising later to $4 and $20, with a 95% discount on cached input