"ChatGPT is a conversational language model developed by OpenAI. It is based on the GPT (Generative Pre-trained Transformer) architecture and is trained on a large dataset of conversational text. ChatGPT can generate human-like text in response to a given prompt or question, and can can be used for a variety of natural language processing tasks such as text completion, conversation generation, and language translation." -- ChatGPT
Microsoft Bing https://www.microsoft.com/en-us/bing/apis/llm
Elicit https://elicit.org/