Side-by-side comparison · AI Browsers & Agents
Claude Cowork vs Firefox vs Opera One
Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.
Comparing 3 tools, the maximum.
At a glance
Pick it if: Business owners and office teams who want repetitive file, report and admin work done for them without building automations.
Pick it if: Business owners who want a trusted, independent browser and want to decide for themselves whether AI is on or off.
Pick it if: Anyone who wants a free Chrome alternative with a capable AI sidebar, tab organisation and a built-in VPN, without paying for anything.
Overview
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| In one line | Claude'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. | Opera's free everyday browser with a built-in AI sidebar that reads your tabs. |
| Pricing model | Paid | Free | Free |
| Starting price | $20/mo | Free | Free |
| Free plan | No | Yes | Yes |
| Works with Claude Code | Yes | No | No |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| Overall rating | 4.1Winner | 3.6 | 3.9 |
| Ease of useHow quickly someone non-technical gets value from it. | 4.0 | 3.5 | 4.5 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 4.5 | 3.0 | 3.0 |
| Output qualityHow good the results are before you fix them. | 4.5 | 3.5 | 3.5 |
| Value for moneyWhat you get for the price, including the free plan. | 4.0 | 4.5 | 4.5 |
| Speed & reliabilityHow fast it is and how often it falls over. | 3.5 | 3.5 | 4.0 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| Access & platform | |||
| Free plan | No | Yes | Yes |
| Mobile app | Yes | Yes | Yes |
| Desktop app | Yes | Yes | Yes |
| Browser extension | No | No | No |
| API access | No | No | No |
| Teams & business | |||
| Team workspace | Yes | No | No |
| Enterprise plan or SSO | Yes | Yes | No |
| Connects to other apps | Yes | Yes | Yes |
| Open source or self-hosted | No | No | No |
| AI abilities | |||
| Works with your files | Yes | No | Yes |
| Understands images | Yes | No | Yes |
| Makes images | No | No | Yes |
| Makes video | No | No | No |
| Writes code | Yes | No | No |
| Runs agents or automations | Yes | No | No |
| Learns your brand or style | Yes | No | No |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 11/ 17 | 6/ 17 | 8/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| 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. | Free Free Everyone. There is no paid tier for the AI. |
MaxOur pick From $100/mo Anyone handing off tasks every day. | Smart Window beta Free Heavy researchers in the US, Canada or France. | Free with an Opera accountOur pick Free Anyone who wants chat history across devices and more images. | |
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 pick | Start 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. | It's all free. Sign in with a free Opera account if you want your chats saved and more images; otherwise just download it and click Ask AI. Opera sells a separate VPN Pro, but you don't need it for the AI. |
Key features
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| Standout features |
|
|
|
Pros and cons
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| Pros |
|
|
|
| Cons |
|
|
|
Who each one is for
| Attribute | Claude Cowork | Firefox | Opera One |
|---|---|---|---|
| Best for |
|
|
|
| You'll find it used by |
|
|
|
Questions people ask
Which is better, Claude Cowork, Firefox or Opera One?
Claude Cowork scores highest overall in our ratings (Claude Cowork 4.1/5, Firefox 3.6/5 and Opera One 3.9/5). 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. Opera One is best for summarising long pages and YouTube videos and comparing suppliers or products grouped in a Tab Island.
Which is cheaper, Claude Cowork, Firefox or Opera One?
Claude Cowork: There's no free plan. Paid plans start at $20/mo. Firefox: It's free and open source. Opera One: It's free to use.
Which is easier to use, Claude Cowork, Firefox or Opera One?
Opera One rates highest for ease of use in our scores. Anyone who wants a free Chrome alternative with a capable AI sidebar, tab organisation and a built-in VPN, without paying for anything.
How we compare
Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.
Swap in another tool
More tools from AI Browsers & Agents in the library.
