Apple Intelligence now needs up to 14GB storage on newer iPhones

Apple updated its support documentation: Apple Intelligence takes up to 14GB of on-device storage on the iPhone 18 Pro, 18 Pro Max, Duo, 17 Pro, 17 Pro Max and iPhone Air. Other compatible iPhones need up to 8GB. The gap comes from new Siri AI features in iOS 27: expressive voices and improved dictation.

• iPhone 18 Pro, Duo and iPhone Air: up to 14GB for Apple Intelligence
• Other compatible iPhones: up to 8GB
• Driven by Siri AI voices and better dictation in iOS 27