
Introducing ChatGPT - OpenAI
Nov 30, 2022 · We performed several iterations of this process. ChatGPT is fine-tuned from a model in the GPT‑3.5 series, which finished training in early 2022. You can learn more about …
GPT-4 | OpenAI
Mar 14, 2023 · 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.
Introducing GPT-4o and more tools to ChatGPT free users
May 13, 2024 · 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, …
ChatGPT can now see, hear, and speak - OpenAI
Sep 25, 2023 · Image understanding is powered by multimodal GPT‑3.5 and GPT‑4. These models apply their language reasoning skills to a wide range of images, such as photographs, …
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GPT-5 is here - OpenAI
GPT‑5 produces high-quality code, generates front-end UI with minimal prompting, and shows improvements to personality, steerability, and executing long chains of tool calls.
Introducing ChatGPT Plus - OpenAI
Feb 1, 2023 · We’re launching a pilot subscription plan for ChatGPT, a conversational AI that can chat with you, answer follow-up questions, and challenge incorrect assumptions.
Hello GPT-4o - OpenAI
May 13, 2024 · GPT‑4o’s text and image capabilities are starting to roll out today in ChatGPT. We are making GPT‑4o available in the free tier, and to Plus users with up to 5x higher message …
ChatGPT — Release Notes - OpenAI Help Center
Dec 19, 2025 · Previously, some questions were automatically routed to the Thinking model when ChatGPT determined it might help. To maximize choice, free users will now use GPT-5.2 …
Introducing ChatGPT Enterprise - OpenAI
Aug 28, 2023 · We’re launching ChatGPT Enterprise, which offers enterprise-grade security and privacy, unlimited higher-speed GPT‑4 access, longer context windows for processing longer …