OpenAI’s new GPT-5.4 mini and nano models bring a faster, more thoughtful ChatGPT experience to free users than I expected.

The flurry of model releases comes as the generative AI space becomes more competitive. The company had been fielding tough competition from Google's Gemini models last year. The beginning of this ...

OpenAI has introduced two new AI models, ChatGPT 5.4 Mini and ChatGPT 5.4 Nano, aimed at providing more accessible and cost-efficient options for developers and businesses. As highlighted by Universe ...

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OpenAI has introduced GPT-5.4 mini and nano, bringing faster performance and significantly lower costs to high-volume AI ...

OpenAI has released GPT-5.4 mini and nano, two high-efficiency models focused on speed and lower costs. GPT-5.4 mini is now available to Free ChatGPT users, offering improved coding and reasoning that ...

OpenAI has expanded its GPT-5.4 lineup with mini and nano models aimed at improving speed, cost efficiency and responsiveness ...

On March 17, 2026, OpenAI announced the release of ' GPT-5.4 mini ' and ' GPT-5.4 nano,' lightweight versions of GPT-5.4, which debuted in March 2026. GPT-5.4 mini/nano are designed to be fast and ...

OpenAI has launched two new smaller AI models, the GPT-5.4 mini and GPT-5.4 nano. These are lighter and faster models, which are designed for handling large numbers of requests at lower costs. Here's ...

OpenAI shipped two models in the same week. That alone tells you something about where the company’s head is at right now. Less than two weeks after GPT-5.4 landed, which itself was released two days ...