A chatbot built on language models
ChatGPT is an artificial-intelligence chatbot developed by OpenAI and released on November 30, 2022. Its name combines “chat,” referring to conversation, with GPT, short for Generative Pre-trained Transformer. GPT describes a family of language models used to generate text responses.
In simple terms, ChatGPT receives a message, takes the conversation’s context into account, and produces a response based on patterns learned during training. It does not necessarily consult a reliable source for every claim it makes: fluent wording does not guarantee that the information is correct.
How a conversation is generated
A person enters a question or instruction, often called a prompt, and the system predicts which words are suitable for composing a response. It can take the current message and earlier parts of the conversation into account. Users can also guide the result by requesting a different format, style, language, length, or level of detail.
This process supports multi-step exchanges: a user can ask for an explanation, clarify a point, or request a rewrite. The result still depends on the prompt and the patterns available to the model; a convincing answer is not the same as independent fact-checking.
Uses and limitations
ChatGPT can assist with tasks such as writing, programming, research, and study, as well as answering questions and organizing information. These capabilities do not make it an infallible expert. Concerns associated with chatbots of this kind include factual errors, misinformation, plagiarism, and privacy risks. Important information should therefore be checked against appropriate sources, and sensitive details should not be shared without considering the risks.
In short, ChatGPT is a conversational interface for language models: it turns instructions into text responses using context and learned patterns. It is most useful when people assess its output critically and give clear directions, rather than treating every response as verified fact.