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GPT-5.4 mini brings some of the smarts of OpenAI's latest model to ChatGPT Free and Go users
OpenAI has launched GPT-5.4 mini and nano, with GPT-5.4 mini now available to ChatGPT Free and Go users, offering performance comparable to GPT-5.4 in certain areas like reasoning and multimodal understanding. GPT-5.4 nano is being made available through OpenAI's API service for tasks requiring speed and cost-efficiency, such as data classification.