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What to Know: The nature of model deprecation

A farm upstate— What happens to large language models when they’re replaced by their successors? The question has become increasingly salient as people who form emotional attachments to their chatbots don’t take kindly to having them suddenly disappear. In August, when OpenAI made the decision to replace its popular ChatGPT 4o model with GPT5, without prior notification, the move attracted widespread backlash. The company quickly brought i

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