Cosmo
Cosmo serves as an engaging desktop companion with animated features and practical assistance.
Open SourceProductivity
Visit website Free to browse · updated 2026-06-18
What is Cosmo?
Cosmo displays large animated eyes that respond to cursor movement and shift between moods such as curious or thoughtful. Voice commands enable functions including web searches, app launches, timers, and music control via on-device processing. Privacy remains central through avoidance of keylogging and camera usage, with all sensitive operations kept on the user's machine. The application allows seamless switching between AI providers or fully local models while preserving consistent behavior and tools.
Key features
Local-first architecture with optional local models via Ollama
Expressive animated eyes that blink, follow cursor, and display moods
Voice interaction using on-device speech recognition and wake word
Support for multiple AI providers including OpenAI, Anthropic, Gemini, Grok, and local models
Tool system for web search, app launching, timers, reminders, and music control
Privacy protections including no keylogging and no camera access
Open source with optional donations
What you can use Cosmo for
Voice-Controlled Desktop Tasks
Cosmo performs actions like web searches, opening apps, setting timers and reminders, taking notes, checking weather, and controlling music using natural voice commands and an extensible tool system.
Interactive Desktop Companion
The tool provides an expressive animated character with eyes that blink, follow the cursor, and display moods such as curious, thinking, happy, or sleepy for an engaging local presence.
Private Local AI Interaction
Users run Cosmo with fully local models via Ollama or connect their own API keys while keeping all processing and data on the machine with no keylogging or camera access.
How to use Cosmo
- 1Download Cosmo from GitHub
- 2Install the macOS application
- 3Select an AI model such as Ollama or OpenAI
- 4Grant necessary permissions for tools like web search
- 5Launch Cosmo and begin voice or text interaction
Cosmo pricing
Pricing model: Open Source. Plan details are indicative — check the site for current prices.
Free
Free
- Open source
- Free to use
- Optional donation via Buy me a coffee
Editor's verdict
Pros
- +Strong emphasis on privacy and local processing
- +Customizable AI backend while keeping consistent personality and tools
- +Free and open source
Cons
- –macOS only
- –Desktop application only
Our take: Cosmo is a solid productivity choice. It's valued for strong emphasis on privacy and local processing and customizable ai backend while keeping consistent personality and tools. The main trade-off is macos only. A good pick if you want capable AI without a high upfront cost.
Frequently asked questions
Cosmo is available for macOS as a local-first desktop application.
Summary
Cosmo is a solid productivity choice. It's valued for strong emphasis on privacy and local processing and customizable ai backend while keeping consistent personality and tools. The main trade-off is macos only. A good pick if you want capable AI without a high upfront cost.
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