OpenAI announced GPT-5.4 mini — a new compact and fast version of the GPT-5.4 model designed to appeal to those prioritizing speed and efficiency.
This model is already available on services such as ChatGPT, Codex, and through the OpenAI API. Its key feature is that it operates twice as fast as the previous miniature GPT-5 mini.
According to developers, GPT-5.4 mini is one of the most powerful mini-models in the company’s lineup. It is nearly comparable in capabilities to the full-fledged GPT-5.4 but is faster and more cost-efficient.
Additionally, another new release has been introduced — the GPT-5.4 nano version, considered the smallest and most affordable model for tasks like classification, data extraction, ranking, and creating encoding agents.
For more details, visit the official page: https://openai.com/index/introducing-gpt-5-4-mini-and-nano/.
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