ChatGPT - OpenAI Access to a research preview of GPT‑4 5, our largest model yet, and GPT‑4 1, a model optimized for coding tasks Create and use projects, tasks, and custom GPTs Limited access to Sora video generation Opportunities to test new features
Introducing ChatGPT - OpenAI ChatGPT is fine-tuned from a model in the GPT‑3 5 series, which finished training in early 2022 You can learn more about the 3 5 series here (opens in a new window) ChatGPT and GPT‑3 5 were trained on an Azure AI supercomputing infrastructure
GPT-4 - OpenAI GPT‑4-assisted safety research GPT‑4’s advanced reasoning and instruction-following capabilities expedited our safety work We used GPT‑4 to help create training data for model fine-tuning and iterate on classifiers across training, evaluations, and monitoring
Start using ChatGPT instantly - OpenAI More than 100 million people across 185 countries use ChatGPT weekly to learn something new, find creative inspiration, and get answers to their questions Starting today, you can use ChatGPT instantly, without needing to sign-up We're rolling this out gradually, with the aim to make AI accessible to anyone curious about its capabilities
Download ChatGPT - OpenAI Chat on the go, have voice conversations, and ask about photos Download for iOS (opens in a new window) Download for Android (opens in a new window)
ChatGPT can now see, hear, and speak - OpenAI 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 analyze a complex graph for work-related data
Introducing GPT-4o and more tools to ChatGPT free users GPT‑4o is our newest flagship model that provides GPT‑4-level intelligence but is much faster and improves on its capabilities across text, voice, and vision Today, GPT‑4o is much better than any existing model at understanding and discussing the images you share
What is ChatGPT? - OpenAI Help Center ChatGPT is fine-tuned from GPT-3 5, a language model trained to produce text ChatGPT was optimized for dialogue by using Reinforcement Learning with Human Feedback (RLHF) – a method that uses human demonstrations and preference comparisons to guide the model toward desired behavior
Introducing GPT-4. 5 - OpenAI GPT‑4 5 has access to the latest up-to-date information with search, supports file and image uploads, and can use canvas to work on writing and code However, GPT‑4 5 does not currently support multimodal features like Voice Mode, video, and screensharing in ChatGPT
ChatGPT | OpenAI Help Center Learn how chats, files, and custom GPT data are stored and deleted in the ChatGPT macOS app