OpenAI has launched its new GPT-5.4 Mini and Nano models to its free users. Just weeks after launching the more powerful GPT-5.4 model, the AI startup’s new GPT-5.4 Mini model is positioned as a ‘smaller, cheaper’ alternative in cases where speed and cost matter the most.
What’s new with GPT-5.4 Mini and Nano?
GPT-5.4 Mini is said to come with improved performance across a range of tasks like coding, reasoning, multimodal understanding and tool use. The model is said to be running over 2 times faster than its predecessor and have close performance…

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