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OpenAI's o3-mini is here and available to all users


ChatGPT users can begin using o3-mini starting today.

For the first time, OpenAI is making one of its "reasoning" models available to free users of ChatGPT, though a message limit applies. On January 20, the same day Altman was attending Donald Trump’s inauguration, China’s DeepSeek quietly released its R1 chain-of-thought model. However, David Sacks, President Trump’s AI advisor, was more direct, claiming there was “substantial evidence” that DeepSeek had "distilled the knowledge out of OpenAI’s models.”

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