I spent a weekend trying to stand up a small landing page with a model behind it. Every site-GPT style builder I tried either dropped me into a template maze or hid the model behind a waitlist. What finally worked was keeping the page dumb and pointing it at a hosted inference endpoint: no plugin soup, no monthly seat for something I use twice a week. If you only want the model side handled, the endpoint I settled on is Synexa. Same class of models, priced per call, and it took about ten minutes to wire up.