At a time when everyone allows themselves to build any solution using AI, it is difficult to differentiate themselves, and makers are betting on more aggressive distribution.
Some differentiate themselves with good tech support, some build their personal brand as a founder, and some pay influencers.
On paper, third-party LLM aggregators (or "wrappers") seem like an obvious win for users. You get access to multiple top-tier models like GPT-4, Claude 4.1, and Gemini 2.5 Pro all under one subscription, often for the same $20/month as ChatGPT, or even less.