
- ChatGPT - Wikipedia- ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and released in 2022. It currently uses GPT-5, a generative pre-trained transformer (GPT), to generate text, speech, … 
- You can now use ChatGPT for free without a login - AOL- 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. 
- OpenAI unveils GPT‑5, its latest version of the AI-powered ...- Aug 8, 2025 · On a call with reporters Wednesday previewing the new chatbot, Altman likened GPT-5 to a Ph.D.-level expert. The new chatbot is also "the biggest single step forward" that … 
- OpenAI - Wikipedia- OpenAI is an American artificial intelligence (AI) organization headquartered in San Francisco, California. It aims to develop "safe and beneficial" artificial general intelligence (AGI), which it … 
- GPT-5: OpenAI's Dropping Hints About ChatGPT's New AI Model ...- Aug 8, 2025 · Close followers of OpenAI's model releases are probably tired of hearing about GPT-5, the next big step in the company's line of flagship large language models. 
- GPT-4.1 - Wikipedia- Two research teams - one led by Oxford University researcher Owain Evans, the other based at the AI red-teaming startup SplxAI - independently found evidence that GPT-4.1 could be more … 
- OpenAI's GPT-5 is live and free for all after years of hype ...- Aug 7, 2025 · OpenAI released GPT-5 on Thursday, the latest AI model powering ChatGPT. OpenAI CEO Sam Altman called it a "significant step" on the path to AGI. OpenAI said GPT-5 … 
- OpenAI o1 - Wikipedia- OpenAI o1 is a generative pre-trained transformer (GPT), the first in OpenAI 's "o" series of reasoning models. A preview of o1 was released by OpenAI on September 12, 2024. o1 …