in how many days Chat GPT is formed, the duration of chat GPT creation.

ChatGPT is developed by OpenAI, an artificial intelligence research laboratory. The development of ChatGPT involved a significant amount of time, resources, and expertise. While I don't have access to the specific details of the development timeline, creating and refining a language model like ChatGPT typically takes months or even years.

It's important to note that ChatGPT builds upon the advancements of previous models, such as GPT-3. Each iteration involves extensive research, training on large amounts of text data, fine-tuning, and iterative improvement to enhance the model's capabilities.

The specific timeline and details of the development process for ChatGPT would be best provided by the team at OpenAI responsible for its creation.