This repository is a curated list of free-to-use AI APIs and websites, primarily targeting developers and users seeking accessible AI services. It aims to provide a centralized, categorized overview of available options, including their features, user bases, and operational status, under the umbrella of "g4f principles" (likely referring to free/open access).

How It Works

The project maintains a categorized list of AI API providers, ranging from established leaders to experimental services. Each entry includes details on user count, NSFW/RP allowance, open-source status, owner, available models, and specific notes. The categorization into tiers (Tier 1 to Tier 5, plus Non-Tiered) reflects perceived stability, service quality, and potential risks associated with each provider. Inclusion criteria focus on clean records, user base size, stable service, and support for chat and image generation in OpenAI format.

Quick Start & Requirements

This is a curated list, not a software package. To utilize the listed services, users must visit the respective websites or join their communities (primarily Discord servers) as linked in the README. No installation or specific software requirements are needed to browse the list.

Highlighted Details

• Features an interactive dashboard for visual exploration of the listed services.
• Provides detailed comparison charts for model availability (GPT-4o, Claude-3.5, etc.) and API features (TTS, Embeddings, etc.) within free tiers.
• Includes a "Caution Advised!" tier for services with questionable practices or stability.
• Maintains a "Non-API AI Servers" section for related communities and projects.

Maintenance & Community

The project is actively maintained by a single individual (@zukixa), with a Discord community linked for discussion and updates. The last update was noted as April 14, 2025.

Licensing & Compatibility

The repository itself is not a software project with a license. The listed AI services operate under their own terms and conditions, which users must adhere to. The README explicitly states "We are NOT endorsing ANY of the listed services!" and advises users to proceed at their own risk.

Limitations & Caveats

The list is maintained by a single person, potentially leading to a high bus factor. The README includes strong disclaimers about the reliability and potential risks of the listed services, with some entries detailing controversial or unstable providers. The "AI Chat Websites" section is no longer actively maintained.