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osmos vs Siri
Siri is built into your iPhone and great at quick actions. osmos is an app that takes on whole jobs: triaging your inbox, booking the train, chasing the reply. The two work side by side.
The short version
Where osmos is different.
Whole jobs, not commands
Ask for a hotel and osmos searches live prices, holds your pick and books it when you confirm, then files the ticket.
It remembers you
Preferences, people and plans from your chats and connected accounts, used the next time it books, drafts or plans.
More iPhones, more places
osmos runs on any iPhone with iOS 17 or later, including in the EU, where Siri's newest AI features aren't available on iPhone.
Side by side
osmos and Siri, point by point.
Siri facts are from the sources below, checked on 26 September 2026.
| Topic | osmos | Siri |
|---|---|---|
| What it is | An app: one chat that runs your email, calendar, messages and travel. | Apple's built-in assistant. Siri AI arrived in beta with iOS 27 on 14 September 2026, adding personal context, on-screen awareness and more actions in apps; you opt in and join a waitlist. 1 2 |
| Which iPhones | Any iPhone running iOS 17 or later. | Siri AI needs an iPhone 15 Pro, iPhone 16 or later, or iPhone Air. 3 |
| Where and in which languages | Works best in English. | Siri AI is English-only at launch, with more languages from October. It isn't available on iPhone in the EU. 1 3 |
| Connects Gmail and Outlook directly: triage, plain-English search, drafts you approve and its own email address. | Summaries, Priority Messages, categories and Smart Reply in Apple Mail, which can hold Gmail and Outlook accounts. 4 5 | |
| WhatsApp and Slack | Reads, searches and drafts in WhatsApp and Slack, and sends when you ask. | Can send WhatsApp messages through app actions. 1 |
| Bookings | Books flights, hotels and trains when you confirm, with tickets filed in Wallet. | Apple doesn't document Siri booking travel itself; that is left to each app's own actions. 6 |
| Memory | Remembers people, preferences and plans; ask what it knows, correct it, or delete it. | Keeps your Siri conversation history in iCloud for 30 days or a year. Apple documents no editable memory of your preferences. 7 |
| Proactive help | A Home card with what needs you, routines on a schedule, and follow-ups that check back. | Notification summaries, prioritised notifications and Priority Messages in Mail. 8 |
| Privacy | Stored encrypted in the EU and never used to train models. | Processes on the device first; bigger requests go to Private Cloud Compute, where Apple says data isn't stored or accessible to Apple. 9 |
Sources (Siri, checked 26 September 2026)
- Apple Newsroom: Siri AI is here (14 Sep 2026)
- Apple Support: what's new in Siri (14 Sep 2026)
- Apple Support: Siri AI requirements and availability (22 Sep 2026)
- iPhone User Guide: summarise and prioritise in Mail (iOS 27)
- Apple: iOS feature availability
- Apple Developer: App Intents schema domains
- iPhone User Guide: Siri conversation history (iOS 27)
- iPhone User Guide: notification summaries (iOS 27)
- iPhone User Guide: Apple Intelligence and privacy (iOS 27)
osmos facts are from the osmos help centre. See also osmos vs ChatGPT.
Try osmos on your iPhone.
Free to start with 200 credits. You approve every action.
Download on the App Store