ChatGPT is a generative artificial intelligence chatbot [2][3] developed by OpenAI and launched in 2022. It is currently based on the GPT-4o large language model (LLM). ChatGPT can generate human-like conversational responses and enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. [4] It is credited with accelerating the AI ...

We’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, challenge incorrect premises, and reject inappropriate requests.

Jan 28, 2025 · ChatGPT, OpenAI’s text-generating AI chatbot, has taken the world by storm since its launch in November 2022. What started as a tool to supercharge productivity through writing essays and...

How does ChatGPT work? ChatGPT is fine-tuned from GPT-3.5, a language model trained to produce text. ChatGPT was optimized for dialogue by using Reinforcement Learning with Human Feedback (RLHF) – a method that uses human demonstrations and preference comparisons to guide the model toward desired behavior.

4 days ago · OpenAI just revealed Deep Research, a new agentic capability in ChatGPT that lets you use AI to compile factual information in minutes, completely opening up new ways to use the world’s most ...

Jan 31, 2024 · Starting today, you can use ChatGPT instantly, without needing to sign-up. We're rolling this out gradually, with the aim to make AI accessible to anyone curious about its capabilities.

Feb 3, 2023 · One day in mid-November, workers at OpenAI got an unexpected assignment: Release a chatbot, fast. The chatbot, an executive announced, would be known as “Chat with GPT-3.5,” and it would be...

May 13, 2024 · GPT-4o, short for “omni,” will power OpenAI’s popular ChatGPT chatbot, and will be available to users, including those who use the free version, in the coming weeks, the company announced during a short live-streamed update.

And then, on Nov. 30, a startup called OpenAI released an experimental chatbot dubbed ChatGPT. Seemingly overnight, the user-friendly generative AI technology enraptured the globe. It wowed the...

When you start a conversation with ChatGPT, you’re interacting with a powerful generative AI model provided by OpenAI. Customers on a paid plan can choose between several foundational models.