TypingMind is a well-made front end. Pay once, from $39 to $99, bring API keys from OpenAI, Anthropic, Google or anyone with a compatible endpoint, and chat with any model in a clean interface that stores everything locally in your browser. For a technical person who wants control of the bill, that is a fair deal.
The honest limits are the ones that come with the design. API usage is not included on any plan, so you hold accounts and invoices at three or four providers and the cost has no ceiling. Your history is in browser storage: clear the cache or change machines and it is gone unless you pay for sync. There are no agents that run across models, no memory, no scheduled tasks, no video, and team plans still need the company's own keys.
Magai includes the models in the price, keeps your history and memory in your account, and adds the parts a workspace needs: agents on every model, scheduled tasks, 150+ integrations, image and video generation, and seats for a team.