Comparison·Updated March 2026
fazm.

Fazm vs ChatGPT Atlas

A voice-first AI agent for your entire desktop vs an AI-powered web browser. Two approaches to AI on macOS - here's how they compare.

Real test

Same prompt. Wildly different results.

We gave the exact same task to both: “Go to my Twitter, find great engineers in my space, and send them a personalized DM.”

ChatGPT Atlas

4 steps, follow-ups required, generic result

Step 1Types the same prompt in Atlas sidebar
ChatGPT Atlas - Types the same prompt in Atlas sidebar
Step 2Gets blocked - asks for encryption passcode
ChatGPT Atlas - Gets blocked - asks for encryption passcode
Step 3Needs manual confirmation to proceed
ChatGPT Atlas - Needs manual confirmation to proceed
Step 4Sends a generic, shallow DM - no real research
ChatGPT Atlas - Sends a generic, shallow DM - no real research

Generic. Slow. Frustrating.

Got blocked, asked for confirmations, sent a shallow DM with zero research. You could have done it faster yourself.

fazm.

Fazm

1 prompt, zero follow-ups, deeply personalized

Step 1One prompt - that's it
Fazm - One prompt - that's it
AutoResearches 7 engineers, finds the right people
Fazm - Researches 7 engineers, finds the right people
DoneSends deeply personalized DM referencing their actual work
Fazm - Sends deeply personalized DM referencing their actual work

One prompt. Done.

Deep research, found the right people, personalized every DM referencing their actual projects. Zero interruptions.

You give Fazm a task and it just does it.

No follow-up questions. No confirmation dialogs. No “please enter your passcode.” One prompt, real results.

Full session recordings

ChatGPT Atlas - full session
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Fazm - full session

Feature-by-feature comparison

How Fazm and ChatGPT Atlas stack up across every dimension.

Fazm
ChatGPT Atlas
Scope
Entire macOS desktop - any app
Web browser only
Primary input
Voice + text (push-to-talk)
Text (sidebar chat)
Context awareness
Any screen + local files
Current browser tab
Agent actions
Mouse, keyboard, DOM, native apps
Clicks and navigates websites
Computer use
Native macOS via accessibility API
GPT-5.4 CUA via cloud VM screenshots
File access
Indexes files, knowledge graph
None - sandboxed to browser
Voice control
Native push-to-talk
No voice input
App integration
Google Workspace, VS Code, any app
Web apps only (via browser)
Privacy
Screen analysis runs locally
Pages sent to OpenAI
Pricing
Free & open source
$20/mo+ for agent mode
Platform
macOS (Windows planned)
macOS (Windows planned)
Open source
Yes
No
Scope

Your entire desktop, not just a browser

Atlas lives inside a Chromium browser tab. Fazm operates across every app on your Mac - switch between VS Code, Figma, Slack, and Finder without leaving your workflow.

F
Fazm
  • Controls any macOS app
  • Switches between applications
  • Manages files and folders
  • Types and clicks anywhere
Atlas
  • Limited to web pages
  • Cannot access native apps
  • No file system access
  • Browser tab only
Input

Speak naturally. Fazm acts instantly.

Fazm is built around voice - push-to-talk with one keyboard shortcut. Atlas requires you to type every instruction into a sidebar chat.

F
Fazm
  • Push-to-talk voice input
  • Natural language commands
  • One keyboard shortcut to activate
  • Instant transcription
Atlas
  • Text-only sidebar chat
  • No voice input
  • Type every instruction
  • No hands-free option
Context

Sees your screen. Knows your files.

Fazm understands what's on your screen across all apps and indexes your local files to build persistent context. Atlas only sees the current browser tab.

F
Fazm
  • Full desktop context via accessibility API
  • Local file indexing
  • Persistent knowledge graph
  • Cross-app context
Atlas
  • Current tab only
  • No file access
  • Session-only memory
  • No cross-app awareness
Privacy

Your data stays on your machine.

Fazm processes screen data locally before sending only the intent to AI models. Atlas sends full page content to OpenAI's servers for analysis.

F
Fazm
  • Local screen processing
  • Only intent sent to AI
  • Open source & auditable
  • No data collection
Atlas
  • Pages sent to OpenAI
  • Proprietary processing
  • Closed source
  • OpenAI data policies apply

About each product

ChatGPT Atlas

by OpenAI

A Chromium-based web browser with ChatGPT built in. Launched October 2025 for macOS. Features a sidebar assistant that summarizes pages, answers questions, and rewrites text. Plus subscribers ($20/mo) get agent mode - now powered by GPT-5.4 (March 2026) with native computer use capabilities. In February 2026, OpenAI merged Operator into ChatGPT as “ChatGPT agent,” combining web browsing and deep research into one unified agent. GPT-5.4 scores 75% on OSWorld - but still runs in a cloud VM, not on your actual desktop.

fazm.

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.

March 2026 update

GPT-5.4 computer use vs Fazm's approach

OpenAI's GPT-5.4 launched with native computer use capabilities, scoring 75% on OSWorld - surpassing the 72.4% human baseline. But how it controls your computer matters just as much as how well it scores.

GPT-5.4 CUA

Cloud VM + screenshots

  • Runs in a cloud VM - not your actual machine
  • Takes screenshots, sends them to OpenAI for analysis
  • 75% OSWorld via screenshot-only observations
  • ChatGPT agent merges Operator + deep research
  • Cannot access local files, native apps, or desktop
  • Latency from cloud round-trips on every action
fazm.

Fazm

Local accessibility API

  • Runs on your Mac - controls your actual desktop
  • Uses macOS accessibility API for precise, fast actions
  • Sees screen + reads accessibility tree (not just pixels)
  • Zero cloud round-trips for mouse and keyboard actions
  • Full access to local files, native apps, and OS features
  • Screen analysis processed locally before hitting any API

GPT-5.4's benchmark scores are impressive, but its computer use runs in a sandboxed cloud VM - it sees screenshots, not your desktop. Fazm runs locally, uses the accessibility API for sub-second actions, and never sends your screen to a remote server. Same goal, fundamentally different architecture.

When to use which

Choose Fazm if you...

  • Work across multiple desktop apps, not just a browser
  • Want voice-first control over your computer
  • Need your AI to understand local files and context
  • Prefer open source software you can inspect
  • Want screen analysis that runs locally for privacy

Choose Atlas if you...

  • Primarily work inside a web browser
  • Want GPT-5.4's ChatGPT agent for web tasks
  • Already pay for ChatGPT Plus
  • Don't need desktop-wide automation or voice

Ready to try the faster approach?

Download Fazm for macOS and see what a desktop-wide AI agent can do. Free and open source.