I'm sure there must be ways to identify studio models without relying on their honesty. They probably get told not to admit it, so I could see why they might not be upfront about it, and I don't blame them for that. I think models with a very bland background, who work long hours and are always on time, are more likely to be studio models.If you see a model putting 30-40 (or more) live stream hours in a week, they are probably a studio model. I regularly work 30-50 hour weeks, but few models can voluntarily withstand all those hours being live streaming hours. It's very hard on the body, and tough psychologically, so when you see a model doing that somethings probably up (ie a studio or drug addiction or something). It kills your back, and if they are doing dildo shows and tip vibes, it also kills your pelvis too.
A lot of us Indie models have goals and quotas, but studio models have goals and quotas that are externally imposed. And they tend to be extreme and unhealthy, as far as I've read.
ETA; BLAND wasn't the best word. I meant like a weird background. Few people have like one vase of flowers and 2 books stood up on a shelf, in a real house. But lots of models in real homes do have emptier looking backgrounds. Look for something that just feels even more fake than normal, as far as scripted conversation, background, weird hours, overly compliant and submissive. That would be my guess. I would think studio models are less likely to tell assholes to staright up Fuck off, something I do on a daily basis, and don't give 2 shits about people seeing or hearing. Look for a very contrived and inauthentic feel, which is what you will no doubt get when the model doesn't have their own personal autonomy.