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  1. 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 …

  2. 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 …

  3. Start using ChatGPT instantly | OpenAI

    Jan 31, 2024 · 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 …

  4. 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 …

  5. 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.

  6. Introducing shopping research in ChatGPT - OpenAI

    Nov 24, 2025 · When you start, ChatGPT opens a visual interface where you can chat and share feedback on product options to guide the research. You’ll explain what you’re looking for, and …

  7. 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 …

  8. Presentamos ChatGPT - OpenAI

    Optimizamos ChatGPT a partir de un modelo de la serie GPT‑3.5, cuyo entrenamiento terminó a principios de 2022. Encontrarás más información sobre la serie 3.5 aquí ⁠.

  9. Downloading the ChatGPT macOS app - OpenAI Help Center

    To get started, download the ChatGPT macOS app: https://openai.com/chatgpt/desktop/ With a simple keyboard shortcut (⌥ +Space), you can instantly ask ChatGPT a question. To learn …

  10. Overview | OpenAI Platform

    Models View all GPT-5.2 New The best model for coding and agentic tasks across industries