Gemini 4 Argon API prices double on 1 December

Google will double Gemini 4 Argon pricing on 1 December 2026: the Standard tier rises from $2 to $4 per 1M input tokens and from $10 to $20 per 1M output tokens. Every tier doubles, including Batch, Flex, Priority and cache reads.

• Standard: $2/$10 per 1M tokens until 30 Nov, then $4/$20
• Batch and Flex: $1/$5 now, $2/$10 from 1 Dec
• Priority: $3.60/$18 now, $7.20/$36 from 1 Dec
• No free tier; caching is implicit only