What are some alternatives similar to ChatGPT?

Alternatives similar to ChatGPT include several prominent language models and conversational AI platforms designed with diverse capabilities for text generation and natural language understanding. OpenAI's GPT-3 is the predecessor of ChatGPT, offering powerful language processing although without the fine-tuned conversational style. Google's BERT and LaMDA are other examples, focusing on contextual language understanding and fluid conversation, respectively. Facebook's BlenderBot aims to engage in natural conversations by blending different conversational skills. Microsoft's DialoGPT is specifically trained for generating human-like responses in a dialog. Additionally, Rasa is an open-source option favored for building custom conversational AI without predefined models. These alternatives showcase the variety of approaches adopted in developing advanced linguistic artificial intelligence platforms.