is a generative artificial intelligence chatbot developed by OpenAI and released in November 2022. It currently uses GPT-5.1, a generative pre-trained transformer (GPT), to generate text, …

Aug 5, 2025 · For the first time since GPT-2 dropped over five years ago, OpenAI is releasing not one, but two open-weight AI reasoning models — and they’re available to download for free …

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-4.5 (codenamed " Orion ") [2] is a large language model developed by OpenAI as part of the GPT series. Officially released on February 27, 2025, GPT-4.5 is available to users subscribed …

Aug 8, 2025 · OpenAI has released its new LLM model, GPT-5. The generative AI model—which will be available to consumers for free and will power the latest version of the popular …

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 …

Jul 30, 2025 · While you can use all of the free AI tools below at no cost, you may need to create an account to get started. In addition to the online version, many of these tools also have iOS …

ChatGPT Atlas features a ChatGPT sidebar within the browser that allows users to ask questions about the current webpage, summarize information, compare products, and analyze data from …