Sites and apps similar to APIMaster include GPT4ALL, which is open source but paid. VoidLLM is free. Other options are Experiential, OpenRouter, liteLLM and Echo by Tracer. You're spoiled for choice with Large Language Model (LLM) Tools like APIMaster: we list more than 25 alternatives for Windows, Linux, Mac and self-hosting.
Locally runs open-source chatbots focused on privacy using consumer CPUs, requiring no internet or GPU. Supports multiple models, custom settings, code and dialogue generation, integrated model downloader, familiar chat UI, and both MIT and enterprise licensing.
United States
Open-source, OpenAI-compatible gateway for agent workflows that connects hosted, BYOK, local, and custom models through one API. It routes calls, enforces model access by user, agent, and use case, applies budgets, and attributes cost and usage to each request.
OpenRouter is an AI model aggregator service that provides developers and users access to a wide range of large language models and generative 3D object models through a unified API. It allows users to interact with various AI models, including those from major providers like...
United States
Python SDK, Proxy Server (LLM Gateway) to call 100+ LLM APIs in OpenAI format - [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, Replicate, Groq].
United States
Privacy-first LLM proxy and AI gateway — load balancing, multi-provider routing, API key management, usage tracking, rate limiting. Self-hosted. Zero knowledge of your prompts.
Germany
EU
Echo combines specialist open-weight models into one system, allocating compute where it improves the result.
United States
Deep Infra offers cost-effective, scalable, easy-to-deploy, and production-ready machine-learning models and infrastructures for deep-learning models.
United States
LLM OneStop offers a single platform to access and compare various AI language models like ChatGPT, Claude, and Gemini. Users can easily switch between models during conversations, making it simple to find the best AI for their needs.
United States
Charager Gateway provides a unified API and the database of characters, agents, and prompts so you can build your own character platform without initializing your own database.
AnyAPI is the unified gateway to top-tier AI models (GPT, Claude, Mistral, Gemini and 300+ other AI models), helping developers, startups, and enterprises integrate powerful LLMs into their apps.
European LLM router provider with emphasis on privacy and European sovereignty. GDPR-compliant router making LLMs secure, fast, and resilient - without the enterprise costs.
AustriaEU
Taiwan
