Gemini 2.5 Flash — Free AI Model & API

google-gemini/gemini-2-5-flash

chat

Get API key →

Context Window 1.0M

Max Output 65K

Rate Limit 10 RPM, 250 RPD

Cost $0.00 FREE

Free Period Since May 10, 2026

Credit Card Not required

Status Online

Overview

The Google Gemini 2.5 Flash is a powerful 2-3 sentence LLM model ideal for chat applications, generating up to 65,000 tokens from a 1 million token context. Developers can utilize its capability for conversational AI without requiring a credit card. (Practical note: Note the 10 RPM, 250 RPD rate limit.)

Model ID

gemini-2-5-flash

Base URL

https://generativelanguage.googleapis.com/v1beta

Specifications

Context: 1.0M · Output: 65K · Modality: text · OpenAI Compat: No

Quick Start

Integrate Gemini 2.5 Flash with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

client = OpenAI(
 base_url="https://generativelanguage.googleapis.com/v1beta",
 api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
 model="gemini-2-5-flash",
 messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const openai = new OpenAI({
 baseURL: "https://generativelanguage.googleapis.com/v1beta",
 apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
 model: "gemini-2-5-flash",
 messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2-5-flash:generateContent?key=YOUR_API_KEY" \
 -H "Content-Type: application/json" \
 -d '{
 "contents": [{"parts": [{"text": "Hello!"}]}]
 }'

Other Free Models from Google Gemini

Gemini 2.5 Flash-Lite

1.0M context · No card

Rate Limits & Constraints

Rate Limit 10 RPM, 250 RPD

Context Window 1.0M

Max Output Tokens 65K

Cost Free — since May 10, 2026

Credit Card Not required

OpenAI Compatible No — uses provider-native API

Google Gemini Platform Limitations

10 RPM is tight for production or multi-user apps
Free tier prompts may be used for product improvement
Some features (Grounding, Search) not available on free tier

Features & Use Cases

Best For

Chat

Modality Support

text

Google Gemini Highlights

Gemini 2.5 Flash: 1M context window
Multimodal: text, image, audio, video
Up to 500 RPD on Flash-Lite
No credit card required

Playground — Test Gemini 2.5 Flash

Test Gemini 2.5 Flash directly in your browser. Your API key is sent directly to Google Gemini — never stored.

Model: Gemini 2.5 Flash Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with Gemini 2.5 Flash.

Frequently Asked Questions

How do I get an API key for Gemini 2.5 Flash?

Sign up at Google Gemini to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is Gemini 2.5 Flash really free?

Yes. Gemini 2.5 Flash is available on Google Gemini's free tier and has been free since May 10, 2026. Rate limits apply: 10 RPM, 250 RPD. Always check the provider's terms for any changes to the free tier.

What are Gemini 2.5 Flash's rate limits?

10 RPM, 250 RPD Context window: 1.0M. Max output: 65K. No credit card required.

What are the best free alternatives to Gemini 2.5 Flash?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Baidu Qianfan: CoBuddy (free), Owl Alpha. You can also browse all 147+ free models on our site.