Finding a platform that offers GPT-3 functionalities similar to ChatGPT for online use without requiring a login can be challenging due to access controls and API rate limits imposed by service providers. However, some platforms and tools might offer limited access to GPT-3 or similar AI models without the need for account creation or login, primarily for demonstration purposes or through open-source projects. Here are a few approaches to consider if you're looking to use ChatGPT-like functionalities for work without the hassle of creating an account at https://chatgptfree.onl/chat/

Developers and organizations often share open-source versions or alternatives to GPT models on platforms like GitHub. While these may require some technical setup, they offer a high degree of flexibility and control. Projects like GPT-J and GPT-Neo are examples where the community has built models that mimic GPT-3's capabilities.