There are several websites that offer chatbot functionality similar to CHAT GPT (Generative Pre-training Transformer), which is a type of language model developed by OpenAI. Some examples of these websites include:

1. Replika: This is a chatbot platform that allows users to have conversations with a virtual companion. The chatbot uses artificial intelligence to generate responses in a natural and human-like manner.
2. Mitsuku: This is a chatbot developed by Steve Worswick that has won several awards for its conversational abilities. The chatbot is trained on a large dataset of human conversations and can engage in a wide range of topics.
3. Cleverbot: This is a chatbot platform that uses artificial intelligence to generate responses to user input. The chatbot is trained on a large dataset of human conversations and can engage in a wide range of topics.
4. Botpress: This is an open-source chatbot platform that allows developers to build and deploy chatbots for a variety of applications. The platform uses artificial intelligence and machine learning techniques to generate responses to user input.

There are many other websites that offer chatbot functionality similar to GPT, and the specific features and capabilities of these chatbots may vary.