ChatGPT helps you get answers, find inspiration and be more productive. It is free to use and easy to try. Just ask and ChatGPT can help with writing, learning, brainstorming and more. ... OpenAI o1 is trained to spend more time thinking before responding and reasons through complex questions across fields like math, science, and coding.

Nov 30, 2022 · Today’s research release of ChatGPT is the latest step in OpenAI’s iterative deployment ⁠ of increasingly safe and useful AI systems. Many lessons from deployment of earlier models like GPT-3 and Codex have informed the safety mitigations in place for this release, including substantial reductions in harmful and untruthful outputs ...

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 ...

Jan 28, 2025 · ChatGPT is a general-purpose chatbot that uses artificial intelligence to generate text after a user enters a prompt, developed by tech startup OpenAI. The chatbot uses GPT-4, a large...

Jan 31, 2024 · More than 100 million people across 185 countries use ChatGPT weekly to learn something new, find creative inspiration, and get answers to their questions. Starting today, you can use ChatGPT instantly, without needing to sign-up.

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...

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.

May 13, 2024 · On Monday, the San Francisco artificial intelligence start-up unveiled a new version of its ChatGPT chatbot that can receive and respond to voice commands, images and videos. The company said 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. Learn more about foundational models.

Feb 3, 2025 · 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 ...