Former Apple Employees Discuss Why LLM Siri Still Isn’t Ready Ahead of WWDC 2025

Just before Apple’s WWDC 2025 event, insights from former employees reveal why the new AI-based Siri isn’t ready for release. Apple is attempting to enhance Siri using large language models (LLMs), but the process has proven challenging. Insiders report that integrating these newer AI features with the existing Siri system, which is operational on millions of devices, has led to bugs and slowed progress. Unlike competitors like OpenAI, which started fresh, Apple’s strategy of layering upgrades on an outdated system has not met expectations. Some leaders within Apple have characterized the approach as “climbing the hill,” indicating a desire for gradual improvement rather than a complete overhaul. As of now, it remains uncertain when the revamped Siri will launch; with speculation pointing to a possible release by 2027. Meanwhile, the upcoming WWDC is expected to highlight advancements across Apple’s various operating systems and AI tools.

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