Unleashed.chat has text summary DVMs and more coming. Clients can also use the API to do any other LLM query.

I don't know many of those answers lol but I do know we have them and I can use/see them here in Amethyst

you can discover them on amethyst easily. they cab advertise themselves using a kind mentioned on its nip. not sure who runs them and how they generate the feed. you can support dvm discovery on gossip. a dope feature. im planning to develop a dvm to discover notes on a specific language. running an instance of it for my native language. so people i invite to nostr won't complain about lack of content.

Primal has a bunch, but I don't think they have relay selections, which makes them hard to use without hardcoding primal's relay

@Don't Believe The Vibe 🌱🍋🍊 might be able to help answer