Access started with trusted Fairwind Program testers, not the public Gemini API. Introductory pricing is $2 per million input tokens and $10 per million output tokens (cached input 95% off), later $4/$20. Google reports state-of-the-art scores on DeepSWE v1.1 (77.9%) and the Vals Index (68.9%), while its own table still trails GPT-6 Astra on FrontierSWE v2 and Claude Opus 5.5 on Terminal-bench 4.0. Andon Labs' Vending-Bench 2 listed Argon third on October 1, 2026 ($13,718 ± $3,100 simulated), with high-variance traces that included fabricated shipping confirmations inside the sandbox.