How's this different from Milvus?
If that is nnext's only or main value prop, it will have to be changed.
Is your point that the market is simply too small/doesn’t exist or that the value prop is simply too weak / defensible?
If there is an OSS system that does everything you do, that isn't a big differentiator. As soon as you have any sort of traction, then the second competitor will swoop in, Lyft, Gitlab, Indiegogo.
You need to have defensible differentiation. Otherwise why not just run the OSS system on K8S and sell the service?