ChatGPT is a generative artificial intelligence chatbot developed by OpenAI. Originally released in November 2022, the product uses large language models โ€”specifically generative pre-trained โ€ฆ Nov 30, 2022 ยท Weโ€™ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, โ€ฆ ChatGPT is your AI chatbot for everyday use. Chat with the most advanced AI to explore ideas, solve problems, and learn faster. Chat with GPT for free online. Powered by OpenAI GPT-4o. This official app is free, syncs your history across devices, and brings you the latest from OpenAI, including... Jun 9, 2026 ยท ChatGPT is a conversational AI built by OpenAI that generates natural-sounding text based on the prompts it receives. It works as a virtual assistant, chatbot, and writing tool, capable of... May 21, 2026 ยท Compare all 34 ChatGPT versions from GPT-1 to GPT-5.5, including release dates, use cases, and recommendations for developers and teams.

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