Google Gemini

Google AI Studio provides access to Gemini models with a generous free tier (up to 1,500 requests/day for Gemini 2.0 Flash).

Setup

Get an API key at aistudio.google.com.

const agent = new Agent({
  name: 'my-agent',
  model: {
    provider: 'google',
    model: 'gemini-2.0-flash',
  },
  systemPrompt: 'You are a helpful assistant.',
});

npx wrangler secret put GOOGLE_AI_KEY

Recommended models

Model	Context	Best for
gemini-2.0-flash	1M	Fast, general purpose (recommended)
gemini-1.5-pro	2M	Complex tasks, large documents
gemini-1.5-flash	1M	Cost-efficient tasks

Environment variable

interface Env {
  GOOGLE_AI_KEY: string;
}

Notes

Google AI Studio uses an OpenAI-compatible endpoint, so the integration is seamless with no special configuration needed.