Google is showcasing its most powerful large language model, Gemini, through an API for businesses and developers. This model comes in three specifications: Ultra, Pro, and Nano, and is available for use through Google Cloud's Vertex AI platform. The Gemini Pro API is currently free, but is limited to 60 queries per minute. Google has published the pricing for Gemini Pro: $0.00025 per thousand characters, $0.0025 per image, and outputs at $0.000 per thousand characters.