Comparison·Updated March 2026
fazm.
C

Fazm vs Claude Code

Same Claude Code engine, but your sessions survive restarts, every chat forks in one click, and the context never gets compacted away. Plus voice and Mac-wide control.

Feature-by-feature comparison

How Fazm and Claude Code stack up across every dimension.

Fazm
Claude Code
Survives computer restart
Restores every window + chat by default
Sessions vanish on restart
Forking a chat
One button — new chat with full prior context
Multi-step resume / branch workflow
Context handling
Full chat history always in context
Auto-compacts once context fills
Underlying agent
Runs Claude Code via ACP (same engine)
Claude Code (native)
Interface
Floating bar + chat windows on macOS
Terminal (text only)
Primary input
Voice + text (push-to-talk)
Text only
Scope
Files + terminal + browser + native apps
Files + shell only
Multiple concurrent agents
Many chat windows, one click each
One agent per terminal tab
MCP tools
Full MCP server support
Full MCP server support
Codex backend
Yes — Codex ACP also bundled
No — Claude only
Pricing
$9.99/mo + your own Claude API key
Anthropic Pro $20+/mo or API usage
Open source
Yes — MIT license
Closed source
Persistence

Your sessions survive a restart. Every window comes back.

Restart your Mac with Claude Code open and every active session is gone. No history, no branch state, nothing to resume. Fazm restores every chat window and every conversation exactly where you left off, automatically. The agent loop comes back with full memory of what you were working on.

F
Fazm
  • Auto-saves every chat window
  • Restores all windows on boot
  • Full conversation history intact
  • Pick up mid-task after a reboot
C
Claude Code
  • Sessions live in terminal memory
  • Restart kills every active chat
  • Manual /resume required if logged
  • Lost context on crash or update
Forking

One button to fork any chat into a new window.

Want to try a different approach without losing your current thread? In Claude Code you exit, find your session ID, resume on a branch, and hope you copied the right state. In Fazm you click fork. A new chat window opens with the full prior context, ready to diverge. Experiment freely, the original stays untouched.

F
Fazm
  • One-click fork from any chat
  • New window with full context
  • Run parallel approaches side by side
  • Original chat stays untouched
C
Claude Code
  • Multi-step session resume
  • Manual branch tracking
  • No native parallel-chat UI
  • Easy to lose track of which branch
Context

Never lose context to a compact again.

Claude Code compacts long sessions once they approach the context limit. The model summarizes earlier turns and drops detail, and you find out by the agent forgetting the exact decision you made an hour ago. Fazm keeps the full chat history live in context for the entire window's lifetime. What you said is what the agent still sees.

F
Fazm
  • Full chat history always in context
  • No silent summarization step
  • Nothing gets dropped or lossy
  • Long sessions stay coherent
C
Claude Code
  • Auto-compacts on context fill
  • Earlier turns get summarized away
  • Decisions and edge cases get lost
  • Agent forgets what you decided
Beyond terminal

Voice, browser, native apps — not just the shell.

Claude Code lives in a terminal. It can edit files and run shell commands, but it cannot click in your browser, control Figma, send a Slack message, or pull a card off your Linear board. Fazm runs the same Claude Code engine and reaches the rest of your Mac through MCP, accessibility APIs, and computer-use tools. Voice in, agent acts everywhere.

F
Fazm
  • Push-to-talk voice input
  • Controls browser DOM + cookies
  • Drives any native macOS app
  • Same Claude Code engine underneath
C
Claude Code
  • Terminal text input only
  • No browser DOM access
  • Cannot touch native apps
  • Shell-bound by design

About each product

C

Claude Code

by Anthropic

Anthropic's terminal-based coding agent. Runs Claude Sonnet, Opus, and Haiku as an autonomous coding assistant inside your terminal. Powerful agent loop, but each session is tied to a single terminal window, sessions vanish on computer restart, forking a conversation requires a multi-step workflow, and long sessions get auto-compacted (summarized) once they hit the context limit, dropping detail you may still need.

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...

  • Hate losing chat history when your Mac restarts
  • Fork conversations often and want it to be one click
  • Are tired of session compacting dropping important context
  • Want voice input alongside your coding agent
  • Need the agent to reach beyond the terminal — browser, apps, files
  • Want to run Claude Code and Codex backends from one shell

Choose Claude Code if you...

  • Live entirely in the terminal and like it that way
  • Do not need a GUI or voice input
  • Are fine resuming sessions manually after restarts
  • Prefer the official Anthropic-distributed CLI
  • Do not need to control browser or native macOS apps

Ready to try the faster approach?

Download Fazm for macOS and see what a desktop-wide AI agent can do. Open source, $9.99/mo, cancel anytime.

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