Apple reins in Siri on URL summaries
2026-06-25
A single line in a hidden script now draws a hard border for Siri. Inside the system prompt that governs Apple’s assistant in iOS 27 beta 2, a new rule tells the model to explicitly refuse when users ask it to summarize or extract content from a URL.
The move signals tighter control, not technical incapacity, because large language models can parse hyperlinks once the underlying HTML or text is fetched by a client layer. Apple instead appears to be constraining that client layer by policy, inserting a guardrail at the instruction level rather than at the model architecture or tokenization layer, where such limits would be costly and brittle.
This kind of restriction points to legal and business pressure more than engineering necessity. By blocking automated summaries of linked pages, Apple reduces the chance of copyright disputes over systematic text extraction, and it also nudges users back toward publishers’ own interfaces instead of turning Siri into a frictionless abstraction layer over the open web. For developers and users who expected URL-aware assistants, the change underlines a blunt reality: access rights, not model capability, now define what consumer AI is allowed to do.
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