OpenRain is an OpenAI-compatible AI API gateway that lets developers access multiple major AI models through one API key and one unified endpoint.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)



Sites and apps similar to GateOne include OpenRouter, which has a free version. Other options are Bizgraph, Echo by Tracer, APIMaster and BazaarLink. You can choose from more than 10 Large Language Model (LLM) Tools like GateOne for Mac, Windows, Linux and self-hosting.
OpenRain is an OpenAI-compatible AI API gateway that lets developers access multiple major AI models through one API key and one unified endpoint.



EUrouter is a European AI routing service that gives you access to 100+ of the best AI models — all routed through EU infrastructure with EU data residency by default. Built for sovereign AI access and GDPR compliance. Switch from OpenRouter by changing one line of code.
Access 500+ LLMs and expert AI models through one unified API. Route requests by cost, performance, and region with built-in smart routing and fallbacks.

Tensorix.ai is a European privacy focused LLM router that was created by a team with decades of experience designing, operating, and scaling critical systems — from data centres and cloud platforms to enterprise SaaS products used in regulated environments.
