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Apple Enhances AI Models with Novel Privacy-Focused Training Method
Apple has unveiled a new approach to improve its artificial intelligence models without directly using or replicating user data from iPhones and Macs. According to a company blog post, Apple plans to refine its AI by comparing a synthetic dataset against anonymized samples of recent emails or messages from users participating in its Device Analytics program.
Device-Based Data Comparison Enhances AI
Apple’s innovative methodology allows devices to pinpoint synthetic inputs that closely resemble real-world user samples. The device then transmits a signal back to Apple, indicating only which synthetic variant is most similar to the sampled data. Crucially, Apple asserts this process ensures user data remains private and never leaves the device itself.
Subsequently, Apple intends to leverage these frequently selected synthetic samples to enhance the performance of its AI text generation capabilities, such as those used in email summarization features.
Addressing AI Model Limitations
Currently, Apple’s AI models are trained exclusively on synthetic data. This approach, according to reports, may lead to less effective and less helpful AI responses. The tech giant has faced challenges with its Apple Intelligence suite, including delays in launching certain features and a change in leadership for its Siri team.
New System Introduced in Beta
Apple is now actively working to reverse this trend by introducing its novel AI training system in the beta versions of iOS and iPadOS 18.5, as well as macOS 15.5. This initiative signals Apple’s commitment to refining its AI offerings.
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Differential Privacy Preserves User Confidentiality
Apple has long emphasized its utilization of differential privacy, a technique designed to safeguard user data confidentiality. This method, employed since iOS 10 in 2016 and previously used to enhance the Genmoji feature, plays a vital role in Apple’s new AI training strategy. By introducing randomized information into a broader dataset, differential privacy helps prevent the linking of data to individual users, ensuring enhanced privacy protection.