Google Announces Gemini 4 Argon Frontier Model With 1 Million Token Output
Google announced Gemini 4 Argon on September 30, 2026, the first model in its Gemini 4 series. Google published benchmarks showing Argon leading on knowledge work, long-context processing, and business automation. On the Vals Index, Argon scored 68.9% against GPT-6 Astra's 63.1% and Claude Opus 5.5's 67.0%. On GraphWalks in the 256,000 to 1 million token range, Argon scored 84.2% against Astra's 71.8% and Opus 5.5's 66.8%. On AutomationBench, Argon scored 51.3% against Opus 5.5's 42.5% and Astra's 41.4%. Google did not release Argon to the public. It is being provided through the Fairwind Program to vetted cyber defense organizations and thousands of Google employees. Google plans to expand access in stages to paid API customers, Google AI Ultra users, developers, enterprises, and general users. Introductory pricing is $2 per 1 million input tokens and $10 per 1 million output tokens, rising to $4 and $20 after the introductory period.