Introducing ChatGPT - OpenAI ChatGPT is a sibling model to InstructGPT, which is trained to follow an instruction in a prompt and provide a detailed response We are excited to introduce ChatGPT to get users’ feedback and learn about its strengths and weaknesses During the research preview, usage of ChatGPT is free Try it now at chatgpt com
GPT-4 | OpenAI GPT-4 is capable of handling over 25,000 words of text, allowing for use cases like long form content creation, extended conversations, and document search and analysis
OpenAI Free ChatGPT for transitioning U S servicemembers and veterans Company Nov 10, 2025
Introducing GPT-4o and more tools to ChatGPT free users In line with our mission, we are focused on advancing AI technology and ensuring it is accessible and beneficial to everyone Today we are introducing our newest model, GPT‑4o, and will be rolling out more intelligence and advanced tools to ChatGPT for free
Start using ChatGPT instantly - OpenAI There are many benefits to creating an account including the ability to save and review your chat history, share chats, and unlock additional features like voice conversations and custom instructions
DALL·E 3 - OpenAI DALL·E 3 understands significantly more nuance and detail than our previous systems, allowing you to easily translate your ideas into exceptionally accurate images
Pricing | OpenAI We recommend that developers use our large and mini GPT models for everyday tasks Our large GPT models generally perform better on a wide range of tasks, while our mini GPT models are fast and inexpensive for simpler tasks
GPT-5 is here - OpenAI GPT‑5 produces higher-quality responses by using your company’s files and connected apps like Google Drive, SharePoint, and more, while respecting existing permissions
API Platform | OpenAI GPT-5 mini Input: $0 25 per 1M tokens Output: $2 00 per 1M tokens 400K context length 128K max output tokens Knowledge cut-off: Sep 30, 2024
Models - OpenAI API GPT-5 Previous intelligent reasoning model for coding and agentic tasks with configurable reasoning effort