google-adk-kotlin-core/com.google.adk.kt.models/Gemini/Gemini

Gemini

constructor(client: Client, name: String)

Creates a Gemini from a preconfigured GenAI SDK Client, for callers that need a custom transport or auth.

Parameters

client

The Client instance from the GenAI SDK used for making API calls.

name

The name of the specific Gemini model to use (e.g., "gemini-3.1-flash-lite-preview").

@JvmOverloads

constructor(name: String, apiKey: String? = null)

Creates a Gemini instance using a Google AI API key for authentication. Its client retries transient failures with the GenAI SDK's default retry options; pass your own Client for other retry settings.

Parameters

name

The name of the specific Gemini model to use (e.g., "gemini-3.1-flash-lite-preview").

apiKey

The Google AI API key. If not provided, falls back to GOOGLE_API_KEY or GEMINI_API_KEY environment variables on GenAI SDK level.

constructor(name: String, vertexCredentials: VertexCredentials)

Creates a Gemini instance using Vertex AI credentials for authentication. Its client retries transient failures with the GenAI SDK's default retry options; pass your own Client for other retry settings.

Parameters

name

The name of the specific Gemini model to use (e.g., "gemini-3.1-flash-lite-preview").

vertexCredentials

The Vertex AI credentials to use.