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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

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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 Safety

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You can now have voice conversations with ChatGPT directly from your computer starting with Voice Mode that has been available in ChatGPT at launch with GPT 4o s new audio

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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

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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

https://openai.com › index › start-using-chatgpt-instantly
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

https://openai.com › index › introducing-chatgpt-search
Now chat can get you to a better answer Ask a question in a more natural conversational way and ChatGPT can choose to respond with information from the web Go deeper

https://help.openai.com › en › collections
How is data retained in the macOS app Learn how chats files and custom GPT data are stored and deleted in the ChatGPT macOS app

https://help.openai.com › en › articles
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