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Side-by-side comparison ยท AI Browsers & Agents

Claude Cowork vs Firefox

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Best overall

Claude Cowork

4.1

From $20/mo

Firefox

3.6

Free to start

Comparing 2 tools. Add one more if you like.

At a glance

Best overallEasiest to use

Pick it if: Business owners and office teams who want repetitive file, report and admin work done for them without building automations.

Best value

Pick it if: Business owners who want a trusted, independent browser and want to decide for themselves whether AI is on or off.

Claude Cowork scores highest overall, but Firefox gives you more for your money. Which one is right comes down to what you value most.

Overview

AttributeClaude CoworkFirefox
In one lineClaude's agent mode: hand it a whole task across your files, apps and browser.Mozilla's free browser with optional AI you can switch off with one setting.
Pricing modelPaidFree
Starting price$20/moFree
Free plan No Yes
Works with Claude Code Yes No

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeClaude CoworkFirefox
Overall rating4.1Winner3.6
Ease of useHow quickly someone non-technical gets value from it.
4.0
3.5
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.5
3.0
Output qualityHow good the results are before you fix them.
4.5
3.5
Value for moneyWhat you get for the price, including the free plan.
4.0
4.5
Speed & reliabilityHow fast it is and how often it falls over.
3.5
3.5

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeClaude CoworkFirefox
Access & platform
Free plan No Yes
Mobile app Yes Yes
Desktop app Yes Yes
Browser extension No No
API access No No
Teams & business
Team workspace Yes No
Enterprise plan or SSO Yes Yes
Connects to other apps Yes Yes
Open source or self-hosted No No
AI abilities
Works with your files Yes No
Understands images Yes No
Makes images No No
Makes video No No
Writes code Yes No
Runs agents or automations Yes No
Learns your brand or style Yes No
Works in many languages Yes Yes
Capabilities score11/ 176/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeClaude CoworkFirefox
Plans

Pro

$20/mo, or $17/mo billed yearly

Trying it on a few tasks a week.

FirefoxOur pick

Free

Everyone, with AI on or off as you choose.

MaxOur pick

From $100/mo

Anyone handing off tasks every day.

Smart Window beta

Free

Heavy researchers in the US, Canada or France.

Team

$25/seat/mo, or $20/seat/mo billed yearly

Small teams sharing connectors and admin controls.

Enterprise

From $20/seat/mo yearly plus usage, 20-seat minimum

Companies that need admin, spend and security controls.

Which plan to pickStart on Pro to see which jobs it handles well for you. If you hand it real work most days you will hit the limits, and Max is the plan that makes it a daily tool.There's nothing to pay. Use the sidebar with whatever AI account you already have. If you're in the US, Canada or France, try Smart Window with a free Mozilla account. Everyone else can join the waitlist.

Key features

AttributeClaude CoworkFirefox
Standout features
  • Works in your files
  • Apps and browser
  • Scheduled tasks
  • Parallel sub-agents
  • Start from your phone
  • Plugins for roles
  • Smart Window (beta)
  • Pick your chatbot
  • Link previews
  • Choice of models
  • Optional memory
  • AI Controls

Pros and cons

AttributeClaude CoworkFirefox
Pros
  • Handles real multi-step business work, not just chat answers
  • Output files (decks, spreadsheets, documents) are usually ready to use
  • No separate subscription if you already pay for Claude
  • Scheduled tasks and phone hand-off make it feel like an assistant
  • Plans first and asks before big actions, so you stay in control
  • Every AI feature is optional and free
  • One switch blocks all AI, and stays off through updates
  • Open source, from a non-profit-owned company
  • Use the chatbot you already pay for
  • Link previews run on your own computer
Cons
  • Agent tasks burn through usage limits quickly, especially on Pro
  • Long or complex jobs sometimes stall or produce wrong results
  • Scheduled tasks need your computer awake with Claude open
  • Files with hidden instructions can manipulate it, and screen control has no sandbox
  • Still rolling out: Team and Free don't have the merged version yet
  • Smart Window is only in the US, Canada and France, and still beta
  • No agent that clicks through sites or fills in forms
  • The sidebar is just the chatbot's website in a panel
  • Smart Window needs a Mozilla account and has daily limits
  • A Smart Window bug pulled in browsing from before people opted in, since fixed

Who each one is for

AttributeClaude CoworkFirefox
Best for
  • Weekly reports built from several sources
  • Organising and cleaning up folders of files
  • Turning receipts or exports into spreadsheets
  • Reviewing a batch of documents against a checklist
  • Recurring admin on a schedule
  • Keeping AI out of the browser entirely
  • Using your own ChatGPT or Claude in a sidebar
  • Summarising and tidying lots of open tabs (US, Canada, France)
  • A browser not owned by an ad or AI company
You'll find it used by
  • Business owners
  • Operations teams
  • Marketers
  • Analysts
  • Lawyers and accountants
  • Privacy-minded owners
  • Researchers
  • Developers
  • Teams with AI rules

Questions people ask

Which is better, Claude Cowork or Firefox?

Claude Cowork scores highest overall in our ratings (Claude Cowork 4.1/5 and Firefox 3.6/5). Claude Cowork is best for weekly reports built from several sources and organising and cleaning up folders of files. Firefox is best for Keeping AI out of the browser entirely and using your own ChatGPT or Claude in a sidebar.

Which is cheaper, Claude Cowork or Firefox?

Claude Cowork: There's no free plan. Paid plans start at $20/mo. Firefox: It's free and open source.

Which is easier to use, Claude Cowork or Firefox?

Claude Cowork rates highest for ease of use in our scores. Business owners and office teams who want repetitive file, report and admin work done for them without building automations.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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