You are absolutely right. However, despite being open source, it requires a lot of time/effort/resources to get the tortoise text-to-speech synthesis working. Therefore, it's very difficult for a non-technical person to use, and for most developers looking to build applications on top it's a waste of time since they will have to reinvent the wheel to create an ML endpoint.

That is why we built this managed API on top for anyone to get started with testing the model / integrating TTTS quickly. Hope that helps?

We open-sourced our ML infrastructure for TTTS deployment so that others can contribute to make it faster, scale better or add features like easy fine-tuning with data.