Google has made Gemini 4 Carbon available to paying developers through the Gemini API in Google AI Studio and to businesses through Gemini for business. The introductory price is $2 per million input tokens and $10 per million output tokens, the same as Gemini 4 Argon. After the introductory period ends on 30 November 2026 the price rises to $4 and $20, so cost estimates need the higher figure. Google's post does not mention Vertex AI, regions or rate limits.
