Gemini Developer API

Get a Gemini API key and make your first API request in minutes.

PythonNode.jsREST
from google import genai

client = genai.Client(api_key="YOUR_API_KEY")

response = client.models.generate_content(
    model="gemini-2.0-flash",
    contents="Explain how AI works",
)

print(response.text)

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({ apiKey: "YOUR_API_KEY" });

async function main() {
  const response = await ai.models.generateContent({
    model: "gemini-2.0-flash",
    contents: "Explain how AI works",
  });
  console.log(response.text);
}

await main();

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent?key=YOUR_API_KEY" \
  -H 'Content-Type: application/json' \
  -X POST \
  -d '{
    "contents": [
      {
        "parts": [
          {
            "text": "Explain how AI works in a few words"
          }
        ]
      }
    ]
  }'

Meet the models

Use Gemini in Google AI Studio

2.5 Pro

Our most powerful thinking model with features for complex reasoning and much more

2.0 Flash

Our newest multimodal model, with next generation features and improved capabilities

2.0 Flash-Lite

Our fastest and most cost-efficient multimodal model with great performance for high-frequency tasks

Explore the API

Native Image Generation

Generate and edit highly contextual images natively with Gemini 2.0 Flash.

Explore long context

Input millions of tokens to Gemini models and derive understanding from unstructured images, videos, and documents.

Generate structured outputs

Constrain Gemini to respond with JSON, a structured data format suitable for automated processing.

Start building with the Gemini API

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