OpenRouter is described as '(openrouter.ai) 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' and is a large language model (llm) tool in the ai tools & services category. There are more than 10 alternatives to OpenRouter for a variety of platforms, including Web-based, SaaS, Windows, Linux and Self-Hosted apps. The best OpenRouter alternative is GPT4ALL, which is both free and Open Source. Other great apps like OpenRouter are Deep Infra, liteLLM, OKRouter and Bizgraph.