Can someone point me in the right direction of what model(s) to look at for a newer user?

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I have a full M5 Pro Macbook Pro with 48GB of RAM, I'm just getting into this local space. Like many of you, the costs of using frontier/cloud models is getting kinda silly. I don't have any insane needs or automation projects. I just want the best general use model, to keep private info, to chat without guardrails and other odd quirks preferably. I prefer it also be a MLX interface if that's a thing. I want to avoid ollama, I've dabbled in LM Studio but didn't love it. Just looking for ideas, t