Gemini 4 Argon: 1M output tokens and $2/$10 API pricing

Google announced Gemini 4 Argon on September 30, 2026, with up to 1 million output tokens, 77.9% on DeepSWE v1.1 and introductory API pricing of $2 per 1M input and $10 per 1M output tokens. Access is rolling out first to trusted cyber defenders and testers, with broader availability still pending.

• Output limit raised from 64K to 1M tokens
• DeepSWE v1.1: 77.9%, CWE-bench v1: 68%
• API pricing: $2 input and $10 output per 1M tokens
• Cached input discounted by 95%