GeminiProvider: Gemini Provider Class

In aisdk: Unified Interface for AI Model Providers

Gemini Provider Class

Description

Provider class for Google Gemini.

Public fields

specification_version

Provider spec version.

Methods

Public methods

• GeminiProvider$new()

• GeminiProvider$language_model()

• GeminiProvider$image_model()

• GeminiProvider$clone()

---

Method new()

Initialize the Gemini provider.

Usage

GeminiProvider$new(
  api_key = NULL,
  base_url = NULL,
  headers = NULL,
  name = NULL,
  timeout_seconds = NULL,
  total_timeout_seconds = NULL,
  first_byte_timeout_seconds = NULL,
  connect_timeout_seconds = NULL,
  idle_timeout_seconds = NULL
)

Arguments

api_key

Gemini API key. Defaults to GEMINI_API_KEY env var.

base_url

Base URL for API calls. Defaults to https://generativelanguage.googleapis.com/v1beta/models.

headers

Optional additional headers.

name

Optional provider name override.

timeout_seconds

Legacy alias for total_timeout_seconds.

total_timeout_seconds

Optional total request timeout in seconds for API calls.

first_byte_timeout_seconds

Optional time-to-first-byte timeout in seconds for API calls.

connect_timeout_seconds

Optional connection-establishment timeout in seconds for API calls.

idle_timeout_seconds

Optional stall timeout in seconds for API calls.

---

Method language_model()

Create a language model.

Usage

GeminiProvider$language_model(
  model_id = Sys.getenv("GEMINI_MODEL", "gemini-2.5-flash")
)

Arguments

model_id

The model ID (e.g., "gemini-1.5-pro", "gemini-1.5-flash", "gemini-2.0-flash").

Returns

A GeminiLanguageModel object.

---

Method image_model()

Create an image model.

Usage

GeminiProvider$image_model(
  model_id = Sys.getenv("GEMINI_IMAGE_MODEL", "gemini-2.5-flash-image")
)

Arguments

model_id

The model ID for image generation.

Returns

A GeminiImageModel object.

---

Method clone()

The objects of this class are cloneable with this method.

Usage

GeminiProvider$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

aisdk documentation built on May 29, 2026, 9:07 a.m.