Apr 3, 2024 · On April 1, OpenAI, ChatGPT’s parent company, opened access to their signature AI chat tool. There’s no need to register for a login and password, and it’s totally free of charge.

Aug 7, 2025 · At long last, GPT-5 has arrived — and it's free to all ChatGPT users. On Thursday, OpenAI launched what it describes as its smartest and fastest model yet during a livestream event.

ChatGPT is a generative artificial intelligence chatbot developed by OpenAI. It was released in November 2022. It uses generative pre-trained transformers (GPTs), such as GPT-5, to generate …

Aug 7, 2025 · OpenAI's GPT-5, the latest model powering ChatGPT, launched Thursday. Sam Altman says the free model is faster and a 'significant step' toward AGI.

GPT-4o ("o" for "omni") is a multilingual, multimodal generative pre-trained transformer developed by OpenAI and released in May 2024. [1] It can process and generate text, images and audio. [2][3] …

GPT-5 is a multimodal large language model developed by OpenAI and the fifth in its series of generative pre-trained transformer (GPT) foundation models. Preceded in the series by GPT-4, it …

A chatbot (originally chatterbot) [1] is a software application or web interface designed to have textual or spoken conversations. [2][3][4] Modern chatbots are typically online and use generative artificial …

Generative Pre-trained Transformer 2 (GPT-2) is a large language model by OpenAI and the second in their foundational series of GPT models. GPT-2 was pre-trained on a dataset of 8 million web pages. …