DVMs are essentially (micro) services running on Nostr. There are a few LLMs running behind DVMs as well as some image generation models. If you want to run one, check out the nostrdvm library nostr:npub1nxa4tywfz9nqp7z9zp7nr7d4nchhclsf58lcqt5y782rmf2hefjquaa6q8
You can browse some of them here: https://noogle.lol/nip89