Upstream Supply Network

Open source API management system with 50k+ GitHub stars, supports self-hosting

Enhanced fork of One API with Midjourney, Suno support and better UI

AI API directory and comparison platform

Together AI is a cloud platform designed for running and fine-tuning open-source AI models with fast inference and competitive pricing. The platform provides access to over 50 popular open-source models including Llama 2, Mistral, Mixtral, CodeLlama, and Yi, with support for custom model fine-tuning and deployment. Together AI offers a $5 free credit for new users to explore the platform, along with developer-friendly APIs, comprehensive documentation, and enterprise-grade infrastructure suitable for both research and production environments requiring flexible open-source AI deployment.

Google's multimodal AI models with native image, video, and audio understanding

Microsoft Azure hosted OpenAI models with enterprise features

High-quality AI image generation via Discord

AWS managed service for foundation models from multiple providers

Creator of Stable Diffusion image generation models

Alibaba's Qwen large language models with strong Chinese capabilities

AI voice generation and cloning with natural speech

Claude models available through AWS Bedrock

French AI company offering efficient open-source and commercial models

Open-source ML platform with inference API for thousands of models

Claude models available through Google Cloud Vertex AI

Access 150,000+ models via unified API

Baidu's ERNIE models with strong Chinese language understanding

AI-powered search and answer engine with real-time web access

Speech-to-text API with advanced audio intelligence

AI-powered search and answer engine with real-time information

Tencent's Hunyuan models integrated with WeChat and Tencent Cloud

Enterprise-focused AI platform with strong embedding and classification

ByteDance's AI models integrated with TikTok and Douyin ecosystem

Free AI code completion for individuals

Fast and accurate speech recognition API

AI video generation and editing platform

AI-powered video editing and generation

Zhipu AI's GLM models with bilingual capabilities and academic focus

Platform for running open-source ML models in the cloud

iFLYTEK's Spark models with strong speech and multimodal capabilities

AI gateway for managing multiple LLM providers with observability

AI image generation platform for game assets and creative content

Chinese AI company by Kai-Fu Lee with bilingual models

AI-powered audio and video editing

AI company offering Jurassic models with strong language understanding

SenseTime's AI models with strong computer vision capabilities

German AI company with focus on European data sovereignty and enterprise

Fast and efficient inference for open-source models

AI image generation with excellent text rendering

Chinese AI startup with long-context models

AI video generation with virtual avatars

Specialized embedding models for semantic search

AI company founded by Kai-Fu Lee with Yi series models

Open-source library for unified LLM API interface

AI pair programmer integrated with Replit IDE

Enterprise AI writing platform with custom models

Chinese AI with video and audio generation

Chinese AI company with multimodal capabilities

360's AI models with focus on security and enterprise applications

Naver's Korean-optimized large language model

Scalable AI platform built on Ray for distributed inference

Serverless inference for open-source models

Chinese AI company founded by Sogou founder

AI content platform for marketing and business

AI video generation with talking avatars

Chinese AI startup with efficient models

Neural search and multimodal AI platform

ML model deployment and serving platform

OpenKey.Cloud is a completely free ChatGPT API service that provides GPT-3.5-turbo access without any registration or payment requirements. The service offers an OpenAI-compatible API endpoint making it easy to integrate into existing applications and scripts. While completely free, the service maintains reasonable usage limits to ensure fair access for all users. This makes it an excellent choice for developers testing AI capabilities, students learning about AI APIs, or hobbyists working on personal projects without budget for paid API services.

FreeGPT.work is a completely free ChatGPT API service that offers 300 daily requests with support for both GPT-4 and GPT-3.5-turbo models. The service distinguishes itself by requiring no registration or payment, making it immediately accessible for testing, learning, and small-scale projects. With generous daily limits and multiple model support, FreeGPT.work serves as an excellent resource for developers exploring AI capabilities, students working on projects, or hobbyists experimenting with LLM integration without financial commitment.

YesIamAI is a free API service from the WZH team that provides access to their second-generation custom language model specifically designed for developers. The service offers completely free API access without registration or payment requirements, making it an attractive option for developers wanting to experiment with AI capabilities or integrate AI features into their projects without financial commitment. YesIamAI focuses on the Chinese market with native Chinese language understanding and generation capabilities, positioning itself as an accessible entry point for developers exploring AI integration.

Wbot-2 is the WZH team's second-generation language model offering free API access with comprehensive developer documentation and Chinese language support. The service provides developers with an opportunity to integrate AI capabilities into their applications without cost, featuring a custom-trained model optimized for Chinese text understanding and generation. Wbot-2 includes detailed API documentation and examples to facilitate integration, making it accessible for developers at all skill levels who want to experiment with AI features in Chinese language applications.

Liaobots (Liao Aggregation) is a fast-updating AI model aggregation platform that prides itself on being the first to update and support the latest AI models as they are released. The platform provides access to multiple AI models including GPT-4, Claude, Gemini, and DeepSeek through a unified interface, with a focus on rapid model integration and frequent updates. Liaobots operates on a freemium model with a free tier for casual users and paid options for heavier usage, making it suitable for both individuals wanting to try the latest models and developers requiring consistent access to cutting-edge AI capabilities.

Liao.World is a completely free mirror service providing access to GPT, Claude, and Grok models without any registration requirements. The platform operates as an aggregation site that makes multiple premium AI models accessible to users without barriers or costs, supporting both text and potentially multimodal interactions. Liao.World eliminates the need for account creation, API keys, or subscription fees, making advanced AI capabilities available to anyone with internet access, regardless of their budget or technical expertise.

Claude Free2GPT is a completely free service that provides access to Claude 3.5 Sonnet with a daily limit of 120 requests, requiring no registration or authentication. The platform focuses on making Anthropic's powerful Claude model accessible to users who want to experience its capabilities without creating accounts or providing personal information. With a generous daily request limit and China-optimized access, Claude Free2GPT serves as an excellent gateway for users wanting to explore Claude's renowned reasoning and writing abilities without any barriers or commitments.

Heck.AI is a 100% free AI service that provides unlimited access to GPT-4o, Claude 3.7 Sonnet, GPT 4.5, and DeepSeek V3 with additional AI-powered search capabilities. The platform distinguishes itself by requiring no login or registration, offering truly unlimited usage without restrictions, and supporting advanced features like image uploads, deep thinking mode, and multi-language support. Heck.AI combines multiple cutting-edge models with integrated AI search functionality, making it a comprehensive solution for users seeking powerful AI tools without any barriers or limitations.

FreeGPT.es is a comprehensive free AI platform offering access to multiple models including GPT-4o-mini, GPT-4o, GPT-4, o3-mini, Claude, Gemini, Grok, and DeepSeek with additional image generation capabilities. The service requires no login or registration and supports file uploads, making it a versatile tool for various AI-powered tasks including text generation, image creation, and document analysis. FreeGPT.es combines multiple cutting-edge models in one interface, providing users with the flexibility to choose the best model for their specific needs without any financial commitment.

EasyChat.fun is a completely free platform offering access to GPT-4 and Claude 3.5 Sonnet without any registration requirements or payment channels. The service focuses on providing a straightforward, no-frills experience for users who want to use advanced AI models without creating accounts or providing payment information. EasyChat.fun eliminates barriers to AI access by removing registration requirements, verification processes, and payment setups, making it an ideal choice for casual users, students, or anyone wanting to quickly experiment with GPT-4 or Claude capabilities without commitment.

AI365 is a ready-to-use AI platform providing free access to GPT-3.5, GPT-4o, and Claude-3-Sonnet models without requiring account setup or configuration. The platform focuses on simplicity and immediate usability, allowing users to start leveraging advanced AI capabilities right away without navigating complex registration processes or payment setups. AI365 supports multiple premium models through a unified interface, making it convenient for users who want quick access to different AI assistants for various tasks including writing, coding, and research.

MyAI.Asia is a public welfare project that provides completely free and unlimited access to ChatGPT-4 and various other AI models without requiring user login or registration. The platform operates as a non-profit initiative to make advanced AI capabilities accessible to everyone, removing financial and technical barriers that typically prevent users from experiencing cutting-edge AI technology. MyAI.Asia supports multiple models and offers truly unlimited usage, making it a unique resource for students, researchers, developers, and AI enthusiasts who want to explore AI capabilities without any restrictions or costs.

AIBox365 is a comprehensive one-stop AI tool platform that provides access to GPT-4o, o1, and Claude 3.5 models through a unified interface. The platform offers a freemium model with free tier access for casual users and paid plans for heavier usage, positioning itself as an all-in-one solution for various AI needs including text generation, coding assistance, and content creation. AIBox365 focuses on the Chinese market with optimized access speeds and local payment options, making it convenient for domestic users to leverage advanced AI capabilities without dealing with VPN or international payment complications.

Kelaode.AI is a Claude mirror site that provides access to Pro account features including Claude 3 and Claude 3.5 models with China-optimized connectivity. The platform offers a freemium model with free tier access to basic features and paid options for Pro-level capabilities, making it accessible for both casual users and power users needing advanced Claude features. Kelaode.AI focuses on delivering stable access to Anthropic's powerful Claude models for users in China who face challenges accessing the official service directly.

TypeGPT is a free AI platform offering unlimited access to multiple AI models without any usage restrictions or registration requirements. The platform distinguishes itself by providing truly unlimited usage, allowing users to leverage AI capabilities as extensively as they need without hitting quotas or paywalls. TypeGPT supports various models through a simple, accessible interface, making it an attractive option for users who need frequent or intensive AI interactions without wanting to manage multiple accounts or worry about usage limits.

HammerAI is a public welfare mirror site providing free access to ChatGPT models including GPT-3.5 and GPT-4 without any registration or payment requirements. The platform operates as a community service to make AI technology accessible to everyone, removing financial and technical barriers that typically prevent users from experiencing advanced AI capabilities. HammerAI focuses on simplicity and accessibility, offering a straightforward interface for users to interact with powerful language models without creating accounts or providing personal information.

ChatNio is a free AI platform offering unlimited access to DeepSeek-V3.1-Terminus and various other AI models without usage restrictions. The platform specializes in providing the latest DeepSeek models with unlimited usage, making it particularly valuable for users who want to extensively test or deploy applications using DeepSeek's powerful language models. ChatNio's unlimited access policy removes the typical constraints found in free AI services, allowing developers and power users to leverage DeepSeek capabilities without worrying about hitting request limits or incurring costs.

Collection of API relay stations with periodic accessibility checks

Japanese AI company specializing in Japanese language models

Simple and fast AI inference platform

Open-source LLM observability platform

Chinese AI startup with efficient models

Platform for creating and chatting with AI characters

Serverless platform for running ML models

Open-source embedding models and data visualization

Hugging Face's TGI is a toolkit for deploying and serving LLMs in production with optimizations for performance and scalability (now in maintenance mode, popular for existing setups).

SGLang is a fast serving framework for LLMs and vision-language models with runtime and language co-design for controllable and efficient execution.

Meta's Llama series are popular open-weight models available via various hosting platforms and direct downloads. They power many open ecosystems with strong performance in general tasks when hosted.

Meta's Llama series of open-weight models are widely hosted across platforms, offering customizable, high-performance LLMs for self-hosting or API use with strong community support.

Japanese tech company offering AI models for advertising and content