Hugging face - limited requests per day
Rasa - Requires a backend server to host the Rasa engine
Google CoLab - Not suitable for deploying real-time applications or APIs
Open Router - OpenRouter gave us a scalable and API-ready solution. offers access to multiple hosted LLMs with a more flexible, And OpenRouter gave us direct access to multiple large language models through one unified API.
As Navod Mentioned we have