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Enabled when GOOGLE_API_KEY is set in your environment.

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Overview

The @standardagents/google package provides a Standard Agents provider for Google’s Gemini and Imagen APIs. It uses the official @google/genai SDK, supports Gemini text/tool/image requests, and routes Imagen generation and editing through Google’s dedicated image endpoints.

Key Features

  • Official @google/genai SDK integration
  • Gemini text, multimodal, JSON, streaming, and tool calling support
  • Imagen image generation and edit support
  • Built-in pricing for documented Gemini models used in request logs
  • Public model discovery through models.list()

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Installation

pnpm
pnpm add @standardagents/google

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Quick Start

import { defineModel } from '@standardagents/spec';
import { google } from '@standardagents/google';

export default defineModel({
  name: 'gemini-fast',
  provider: google,
  model: 'gemini-2.5-flash',
  providerOptions: {
    responseModalities: ['TEXT'],
  },
});

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Common Models

  • gemini-2.5-pro
  • gemini-2.5-flash
  • gemini-2.5-flash-lite
  • gemini-2.5-flash-image
  • gemini-3-pro-image-preview
  • imagen-4.0-generate-001
  • imagen-3.0-capability-001

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Provider Options

Common Gemini options include responseModalities, candidateCount, cachedContent, thinkingConfig, imageConfig, and safetySettings. Common Imagen options include numberOfImages, negativePrompt, aspectRatio, outputMimeType, imageSize, and editMode.

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Pricing

The provider includes built-in pricing for current documented Gemini models such as gemini-2.5-pro, gemini-2.5-flash, gemini-2.5-flash-lite, gemini-2.5-flash-image, and gemini-3-pro-image-preview. For Imagen models and undocumented Google models, set explicit pricing on your model definitions if you need guaranteed cost tracking.

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Environment Setup

.dev.vars
GOOGLE_API_KEY=...