Fwiw, ElevenLabs doesn't even make any sense as a firm, considering its TTS offering is extremely overpriced by an absurdly large factor. A large user would be far better off using local models. Even the OpenAI TTS is cheaper. There is no moat here such as with hardware.
11labs does _way_ more than basic TTS. The options, customizability, quality of voice cloning (for editing your own voices), etc is far more than what you see on the surface.
If you wanna hook up a voice agent to Twilio for support for example, 11labs is probably one of the quickest and least painful ways to integrate while still maintaining control over your agent and behaviors.
Yes you can vibe code your own glue code, but try that in a large enterprise where you have to consider your team now taking on perpetual maintenance; and not having a vendor/SLA to just send tickets to when something breaks (or you want something new).
The moat is marketing and good looking UI. They have been spamming Tik Tok et al. relentlessly and every lazy opportunist algorithm exploiter out there knows who they are, what they do, and that they can easily generate enough slop per cost to make their money back. So yeah, not a moat, but you're kinda missing the point. Just like Lovable is wildly over-priced, under powered, and has crazy levels of lock in built in (you can't even access your own supabase account that it uses for backend). It's not for you / us. Its for the masses who don't know (or want to know) any better.