what is the oldest iphone that support on device llm?

Asked on 06/11/2025

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The oldest iPhone that supports on-device large language models (LLM) is not explicitly mentioned in the provided context. However, the context does highlight the importance of Apple Silicon in enabling on-device machine learning capabilities. Typically, iPhones with Apple Silicon chips, starting from the A12 Bionic chip and newer, are capable of running advanced machine learning models on-device. This would include models like the large language models mentioned in the context. Therefore, the iPhone XS, iPhone XS Max, and iPhone XR, which were the first to feature the A12 Bionic chip, are likely the oldest models that support on-device LLMs.