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.
Introducing GPT-5 - OpenAI
Aug 7, 2025 · GPT‑5 is the new default in ChatGPT, replacing GPT‑4o, OpenAI o3, OpenAI o4-mini, GPT‑4.1, and GPT‑4.5 for signed-in users. Just open ChatGPT and type your question; …
Using GPT-5.1 - OpenAI API
Learn about how to use and migrate to GPT-5.1 and the GPT-5 model family, the latest models in the OpenAI API.
GPT-5 Chat
For the latest Chat model, please refer to our models page. We recommend GPT-5.1 for most API usage, but feel free to use this GPT-5.1 Chat model to test our latest improvements for chat …
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 …
Introducing GPT-4.5 - OpenAI
Feb 27, 2025 · We’re releasing a research preview of GPT‑4.5—our largest and best model for chat yet. GPT‑4.5 is a step forward in scaling up pre-training and post-training.
GPT-5 vs GPT-5 Chat, what's the difference? - API - OpenAI …
Aug 11, 2025 · The GPT-5 Chat model (named gpt-5-chat-latest) you’re seeing is actually a bit different from the main GPT-5 model. Basically, the GPT-5 model is the one built specifically …
OpenAI
Our Research Research Index Research Overview Research Residency OpenAI for Science Latest Advancements GPT-5 OpenAI o3 OpenAI o4-mini GPT-4o GPT-4o mini Sora Safety …
Pricing | OpenAI
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. Our large and mini reasoning models are …
ChatGPT can now see, hear, and speak - OpenAI
Sep 25, 2023 · Chat about images You can now show ChatGPT one or more images. Troubleshoot why your grill won’t start, explore the contents of your fridge to plan a meal, or …