OpenAI has announced that its ChatGPT's o3-mini model will now reveal a step-by-step chain of thought in response to prompts. The update is a response to increasing pressure from rival company DeepSeek, which is known for its open-source nature and transparent reasoning model. OpenAI's move towards transparency aims to provide users with more clarity and safety in the model's responses, although it currently only displays a summary of the reasoning process. OpenAI has been planning this update for a while and aims to further enhance transparency in the future.



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