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Mar 14, 2023 · More on GPT-4 Research GPT‑4 is the latest milestone in OpenAI’s effort in scaling up deep learning. View GPT‑4 research ⁠ Infrastructure GPT‑4 was trained on Microsoft Azure AI …

GPT‑5 is smarter across the board, providing more useful responses across math, science, finance, law, and more. It's like having a team of experts on call for whatever you want to know.

Dec 11, 2025 · GPT-5.2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision. Use it in ChatGPT and the …

Nov 30, 2022 · Iterative deployment Today’s research release of ChatGPT is the latest step in OpenAI’s iterative deployment ⁠ of increasingly safe and useful AI systems.

4 days ago · Stay up to speed on the rapid advancement of AI technology and the benefits it offers to humanity.

Sep 30, 2025 · Using OpenAI's existing large language models, we have developed a new class of recommender algorithms that can be instructed through natural language. We also have built-in …

Explore resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's developer platform.

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.

Jan 16, 2026 · ChatGPT Go is now available worldwide, offering expanded access to GPT-5.2 Instant, higher usage limits, and longer memory—making advanced AI more affordable globally.