1. ChatGPT is an AI language model developed by OpenAI.

2. It is based on the Transformer architecture and uses GPT (Generative Pretrained Transformer) architecture.

3. It was trained on a massive corpus of text data from the internet.

4. ChatGPT is capable of generating human-like text responses to a wide range of questions and prompts.

5. It can be fine-tuned for specific tasks, such as question-answering, summarization, and text generation.

6. The model has over 175 billion parameters, making it one of the largest language models available.

7. It can understand context and can generate coherent and consistent responses even in conversational settings.

8. ChatGPT is available as an API through OpenAI's API service.

9. It has been used in a variety of applications, such as customer service chatbots, language translation, and content generation.

10. The model is constantly being updated with newer training data and algorithms to improve its performance.