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- OpenAI
OpenAI Model Craft: Parameter Golf New ways to learn math and science in ChatGPT Product Mar 10, 2026
- GPT-4 | OpenAI
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 supercomputers Azure’s AI-optimized infrastructure also allows us to deliver GPT‑4 to users around the world Limitations
- GPT‑5 is here - OpenAI
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
- Introducing GPT‑5. 4 - OpenAI
Introducing GPT-5 4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context
- Introducing ChatGPT - OpenAI
Iterative deployment Today’s research release of ChatGPT is the latest step in OpenAI’s iterative deployment of increasingly safe and useful AI systems
- OpenAI News
OpenAI Japan announces Japan Teen Safety Blueprint to put teen safety first Safety Mar 17, 2026
- Introducing GPT‑5. 4 mini and nano - OpenAI
GPT-5 4 mini and nano are smaller, faster versions of GPT-5 4 optimized for coding, tool use, multimodal reasoning, and high-volume API and sub-agent workloads
- Introducing OpenAI o3 and o4-mini
Today, we’re releasing OpenAI o3 and o4-mini, the latest in our o-series of models trained to think for longer before responding These are the smartest models we’ve released to date, representing a step change in ChatGPT's capabilities for everyone from curious users to advanced researchers
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