Comparison·Updated March 2026
fazm.
C

Fazm vs Claude Computer Use

A consumer-ready desktop agent vs a developer API for computer control. Same goal, different audiences.

Feature-by-feature comparison

How Fazm and Claude Computer Use stack up across every dimension.

Fazm
Claude Computer Use
Audience
Any user - no technical skills needed
Developers only
Setup
Download and go
Build integration from scratch
Primary input
Voice + text (push-to-talk)
API calls from your code
Pricing
Free & open source
Per-token API billing
Open source
Yes - MIT license
No - proprietary API
Knowledge graph
Built-in local file indexing
None - implement yourself
Google Workspace
Native integration
Build your own integration
Voice control
Native push-to-talk
Not applicable
Customizability
Forkable open source codebase
Fully custom implementation
Model quality
Uses Claude models via API
Direct Claude access
Privacy
Screen analysis aims for local
Screenshots sent to Anthropic
Time to first action
Minutes (download and install)
Days to weeks (build integration)
Consumer vs Developer

Ready-to-use app vs raw developer API

Fazm is a complete, polished macOS application anyone can download and use immediately. Claude Computer Use is a powerful API capability - the building blocks of computer control, but nothing more. To use Claude Computer Use, a developer must write code to capture screenshots, send them to Anthropic's API, parse the returned action instructions, and execute them on the local machine. Fazm does all of this for you, plus adds voice, a knowledge graph, and integrated workflows.

F
Fazm
  • Download and start immediately
  • No coding or API keys required
  • Voice-first ready out of the box
  • Built-in UI and workflow management
C
Claude Computer Use
  • Requires developer to build integration
  • Must manage API keys and rate limits
  • No ready-made user interface
  • Screenshot loop must be hand-coded
Voice Interface

Voice-first interaction vs API call primitives

Fazm's core interface is voice. Press a shortcut, speak what you want done, and Fazm executes it across your entire desktop. Claude Computer Use provides the raw capability to take a screenshot and return an action - but building a voice interface on top of that API is a significant engineering project in itself. Fazm ships this already built.

F
Fazm
  • Push-to-talk triggers the entire pipeline
  • Natural language task description
  • Handles multi-step workflows automatically
  • Works with any app without configuration
C
Claude Computer Use
  • No voice interface - API calls only
  • Must build your own NL layer
  • No pre-built workflow management
  • Each integration is a custom project
Knowledge Graph

Built-in context vs build it yourself

Fazm continuously indexes your local files, emails, calendar, and Spotlight metadata to build a knowledge graph that gives the AI rich context about your work. When you ask Fazm to 'draft a reply to the email from Sarah about the Q2 report,' it knows what you mean. Claude Computer Use provides no such context - building a knowledge graph would require substantial additional engineering work on top of the raw API.

F
Fazm
  • Automatic local file indexing
  • Email and calendar context
  • Google Workspace integration
  • Context-aware task execution
C
Claude Computer Use
  • No knowledge graph - raw screenshots only
  • No file indexing out of the box
  • Must build all context layers yourself
  • Cold context on every API call
Cost

Free forever vs per-token API billing

Fazm is free and open source. Claude Computer Use charges per token - and computer use is expensive per action because it requires sending a full desktop screenshot (many thousands of tokens) with every step. A moderate automation workflow can accumulate significant API costs quickly. Fazm eliminates this entirely by being free and using more efficient local analysis where possible.

F
Fazm
  • Free with no usage limits
  • No per-action billing
  • Open source - fork and self-host
  • Predictable zero cost
C
Claude Computer Use
  • Pay per screenshot analyzed
  • Costs accumulate quickly with long tasks
  • API pricing subject to change
  • Budget unpredictable for heavy use

About each product

C

Claude Computer Use

by Anthropic

Anthropic's computer use API that lets Claude see your screen, move the mouse, type, and run commands autonomously. Considered the most capable desktop AI control technology available as of early 2026, scoring highly on OSWorld and SWE-bench benchmarks. However, it is a raw API requiring developer implementation - not a consumer product. Billed per API token, which adds up quickly in automated workflows.

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.

When to use which

Choose Fazm if you...

  • Want a ready-to-use product without coding
  • Want voice control for hands-free desktop automation
  • Prefer free and open source over API billing
  • Need built-in knowledge graph and file context
  • Want Google Workspace integration out of the box
  • Are not a developer or prefer not to build infrastructure

Choose Claude Computer Use if you...

  • Are a developer building custom automation tooling
  • Need maximum control over every step of the pipeline
  • Want to integrate desktop control into your own application
  • Prefer building from scratch for unique requirements
  • Already use Anthropic's API and want to extend it

Ready to try the faster approach?

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