Quick answers to the most common questions about COSMO AI assistant.
COSMO is a reported experimental AI assistant for Android devices, believed to be developed by Google Research. It briefly appeared on the Google Play Store around May 1, 2026, before being removed.
No. COSMO is not currently available for public download on any platform. The Play Store listing was removed. Users should avoid downloading from unofficial sources.
No. There is no confirmed COSMO app for iOS or iPhone. All reports describe it as Android-focused. No App Store listing exists.
There is no confirmed release date. Google has not officially announced when or if COSMO will be publicly available. Google I/O 2026 is being monitored for potential announcements.
COSMO reportedly acts as a proactive AI agent that takes autonomous actions, while Gemini is primarily a conversational assistant. COSMO uses Gemini Nano on-device; Gemini uses cloud-based models.
Skills are modular AI capabilities: Deep Research, Browser Agent, Calendar Event Suggester, Document Writer, Recall, Quick Photo Lookup, Conversation Summary, and List Tracker.
Based on reports, yes. COSMO appears to include Gemini Nano, Google's on-device AI model, contributing to its ~1.13 GB app size.
Reports suggest COSMO may use Android AccessibilityService permissions to read on-screen content for proactive assistance. The exact privacy model is not officially documented.
This is speculative. COSMO and Google Assistant appear to serve different roles, but Google has not confirmed whether COSMO is intended as a replacement.
No. cosmoai.app is an independent informational website. It is not affiliated with, endorsed by, or connected to Google, Google Research, Gemini, Android, or Alphabet.
Project Mariner is a Google DeepMind initiative for AI-powered browser automation. COSMO's Browser Agent skill may be related to this technology, though the connection is not officially confirmed.
No. Do not download COSMO from unofficial sources or APK websites. These could contain malware. Wait for an official release through the Google Play Store.