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Current: Gemini 3.5
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The Interactions API is now generally available. We recommend using this API for access to all the latest features and models.
Home
Gemini API
Docs
Gemini API
The Gemini API is the fastest path from prompt to production with Gemini, Veo,
Nano Banana, and more. It lets you integrate these generative models into your
applications to generate text and images, analyze multimodal inputs, and build
conversational agents.
The Interactions API is the best way to build with Gemini API and Gemini
models and agents. Learn more in the Interactions API
Overview.
Python
from google import genai
client = genai.Client()
interaction = client.interactions.create(
model="gemini-3.5-flash",
input="Explain how AI works in a few words"
)
print(interaction.output_text)
JavaScript
import { GoogleGenAI } from "@google/genai";
const ai = new GoogleGenAI({});
const interaction = await ai.interactions.create({
model: "gemini-3.5-flash",
input: "Explain how AI works in a few words",
});
console.log(interaction.output_text);
REST
curl -X POST "https://generativelanguage.googleapis.com/v1beta/interactions" \
-H "x-goog-api-key: $GEMINI_API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "gemini-3.5-flash",
"input": "Explain how AI works in a few words"
}'
Start building
Follow our getting started guide to get an API key and make your first API call in minutes.
Meet the models
View all
auto_awesome
Gemini 3.1 Pro
New
Our most intelligent model, the best in the world for multimodal understanding, all built on state-of-the-art reasoning.
spark
Gemini 3.5 Flash
New
Frontier-class performance rivaling larger models at a fraction of the cost.
spark
Gemini 3.1 Flash-Lite
New
High-volume, cost-sensitive model with the performance and quality of the Gemini 3 series.
spark
Gemini 3 Flash
Frontier-class performance rivaling larger models at a fraction of the cost.
🍌
Nano Banana 2 and Nano Banana Pro
State-of-the-art image generation and editing models.
video_library
Veo 3.1
Our state-of-the-art video generation model, with native audio.
spark
Gemini Robotics
A vision-language model (VLM) that brings Gemini's agentic capabilities to robotics and enables advanced reasoning in the physical world.
Explore Capabilities
imagesmode
Native Image Generation (Nano Banana)
Generate and edit highly contextual images natively with Gemini 2.5 Flash Image.
article
Long Context
Input millions of tokens to Gemini models and derive understanding from unstructured images, videos, and documents.
code
Structured Outputs
Constrain Gemini to respond with JSON, a structured data format suitable for automated processing.
functions
Function Calling
Build agentic workflows by connecting Gemini to external APIs and tools.
videocam
Video Generation with Veo 3.1
Create high-quality video content from text or image prompts with our state-of-the-art model.
android_recorder
Voice Agents with Live API
Build real-time voice applications and agents with the Live API.
build
Tools
Connect Gemini to the world through built-in tools like Google Search, URL Context, Google Maps, Code Execution and Computer Use.
stacks
Document Understanding
Process up to 1000 pages of PDF files with full multimodal understanding or other text-based file types.
cognition_2
Thinking
Explore how thinking capabilities improve reasoning for complex tasks and agents.
Google AI Studio
Test prompts, manage your API keys, monitor usage, and build prototypes.
group
Developer Community
Ask questions and find solutions from other developers and Google engineers.
menu_book
API Reference
Find detailed information about the Gemini API in the official reference documentation.
sensors
Status
Check the status of Gemini API, Google AI Studio, and our model services.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-07-13 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-07-13 UTC."],[],[]]
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