A4F: Your Unified AI Gateway

Better prices, better uptime. Access hundreds of LLMs through one standard API. No subscriptions.

Featured Models

View Trending ↗

Gemini 2.5 Pro 0605

New

by google

70.9B Tokens/wk10.8s Latency+165.62%

Claude Opus 4

New

by anthropic

18.9B Tokens/wk633ms Latency-4.13%

Claude Sonnet 4

by anthropic

324.8B Tokens/wk1.4s Latency+4.33%

5.6T

Monthly Tokens

1.5M

Global Users

50+

Active Providers

300+

Models

Simple Integration

Get Started in 3 Easy Steps

Our platform is designed for simplicity and power, enabling you to integrate advanced AI capabilities into your applications effortlessly.

Signup

Create an account to get started. You can set up an org for your team later.

Create your account

Get Your API Key

Instantly generate your API key. Start exploring with our generous free tier – no credit card required to begin!

A4F_API_KEY

ddc-a4f-••••••••••••

Generous Free Tier Included

Explore & Scale

Integrate powerful AI models into your applications. When you're ready for more, easily upgrade or buy credits for higher limits and premium features.

Utilize & Grow

Access 300+ Models

Start with the Free plan, then scale.

Only pay for what you need beyond the free tier.

One API for Any Model

Access all major models through a single, unified interface. OpenAI SDK works out of the box.

Browse all

Higher Availability

Ensure reliable access to AI models with our distributed infrastructure. Automatically route around provider outages.

Learn more

Price and Performance

Keep costs in check without sacrificing speed. A4F runs at the edge, adding just ~30ms between your users and their inference.

Learn more

Custom Data Policies

Protect your organization with fine-grained data policies. Ensure prompts only go to the models and providers you trust.

View docs

Top Apps

Largest public users who value Privacy regarding usage tracking on A4F.

1.C

Cline

Cline is an AI-powered command-line tool that acts...

44.6B tokens

2.R

Roo Code

Roo Code is a platform and toolset designed to fac...

39.4B tokens

3.l

liteLLM

liteLLM is an open-source library that simplifies ...

2.82B tokens

4.A

Aider

Aider is an AI pair programming tool that works di...

562M tokens

5.O

Open WebUI

Open WebUI is an extensible, self-hosted user inte...

495M tokens

6.N

N8N

N8N is a workflow automation tool that enables you...

350M tokens