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  1. 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 the 3.5 series …

  2. OpenAI

    Our Research Research Index Research Overview Research Residency OpenAI for Science Economic Research Latest Advancements GPT-5.3 Instant GPT-5.3-Codex GPT-5 Codex Safety Safety …

  3. 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 ⁠.

  4. 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.

  5. 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 ⁠.

  6. GPT‑5.1: A smarter, more conversational ChatGPT - OpenAI

    Nov 12, 2025 · We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.

  7. OpenAI

    GPT-5.3 Instant: conversaciones cotidianas más fluidas y útiles Producto Tiempo de lectura: 5 min

  8. Empieza a utilizar ChatGPT al instante | OpenAI

    Feb 15, 2024 · Crear una cuenta tiene muchos beneficios, como la posibilidad de guardar y revisar el historial de chats, compartir chats y desbloquear funciones adicionales como conversaciones de voz …

  9. Introducing ChatGPT Go, now available worldwide | OpenAI

    Jan 16, 2026 · ChatGPT Pro is built for AI power users pushing the limits of advanced intelligence. It offers full access to our most powerful model, GPT‑5.2 Pro, along with maximum memory and …

  10. 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 analyze a complex graph …