Fazm vs MultiOn
A desktop-wide AI agent vs a browser automation agent. Full computer control vs web-only automation.
Feature-by-feature comparison
How Fazm and MultiOn stack up across every dimension.
Full desktop vs browser-only automation
Fazm controls your entire macOS environment - any app, any file, any window - through the accessibility API. MultiOn is constrained to the Chrome browser. If the task involves a native app like Figma, Xcode, Slack, or a local file, MultiOn cannot help. Fazm has no such boundary.
- Controls Finder, Terminal, Xcode, any native app
- Reads and writes local files
- Manages windows and system settings
- Works across all macOS apps simultaneously
- Limited to Chrome browser tabs
- Cannot access native desktop apps
- No file system access
- Cannot control non-web software
Voice-first consumer agent vs developer API
Fazm is built for non-technical Mac users who want to speak tasks and have them done immediately. MultiOn is designed for developers who want to embed browser automation into their own products via REST API. Both are capable, but they solve very different problems for very different audiences.
- Push-to-talk voice triggers desktop actions
- No code required for consumers
- Works out of the box on any Mac
- Natural language with immediate results
- REST API requires developer integration
- Chrome extension for interactive use
- Session management and API keys required
- Built for embedding into other applications
On-device processing vs cloud-routed sessions
When Fazm analyzes your screen, that happens locally on your Mac. When MultiOn automates a browser session, the session is routed through MultiOn's cloud infrastructure. Your web browsing activity, credentials, and interactions travel through their servers for the automation to work.
- Screen analysis runs entirely on device
- No third-party server sees your desktop
- Credentials stay in macOS Keychain
- Open source - every action is auditable
- Browser sessions proxy through MultiOn cloud
- Web activity observed by MultiOn servers
- Credentials used in automated sessions pass cloud
- Closed source - no audit of data handling
Any-app control with web support vs web-only
MultiOn is optimized for web automation and has genuine strengths there - anti-detection, session management, and an API that developers can call programmatically. Fazm also automates web tasks (via browser DOM control) but is not specialized for high-volume scraping or API-driven web automation pipelines.
- Browser DOM control for web tasks
- Pairs web actions with native app context
- Voice-triggered web automation
- Google Workspace native integration
- Specialized anti-bot detection for scraping
- Session replay and parallel session support
- Built-in rate limiting and proxy management
- Developer API for programmatic orchestration
About each product
MultiOn
Browser AI Agent
AI browser agent with a Chrome extension and developer API that automates web tasks like booking, shopping, and form filling using natural language commands. Developer-focused with an Agent API for programmatic integration and anti-detection features for web scraping. Focuses on web automation rather than full desktop control.
Fazm
Open source
An AI computer agent for macOS that goes beyond the browser. Controls your mouse, keyboard, browser DOM, and native apps - all triggered by voice. Indexes local files, builds a knowledge graph, and integrates with Google Workspace. Screen analysis runs locally for privacy. The entire project is open source.
When to use which
Choose Fazm if you...
- Need to automate tasks beyond the browser - native apps, files, system settings
- Want a free, open source agent you can download and use right now
- Prefer voice commands over typing or API calls
- Value privacy and want processing to stay on your device
- Are a non-developer who wants an AI agent, not a development API
- Work with macOS-native apps like Xcode, Logic Pro, or Final Cut Pro
Choose MultiOn if you...
- Building a product that needs programmatic browser automation via REST API
- Need high-volume web scraping with anti-detection features
- Want to orchestrate parallel browser sessions from code
- Work exclusively in web apps and need specialized web agent capabilities
- Need a browser agent that works on Windows and Linux, not just macOS
Ready to try the faster approach?
Download Fazm for macOS and see what a desktop-wide AI agent can do. Free and open source.
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