Side-by-side comparison · AI Browsers & Agents
ChatGPT Work vs Hermes Agent 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: ChatGPT users who want admin, inbox, research and reporting jobs done for them without building automations.
Pick it if: Technically confident founders and tinkerers who want a personal agent on their own hardware that gets better the more they use it.
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.
ChatGPT Work scores highest overall, but Opera One gives you more for your money. Which one is right comes down to what you value most.
Overview
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
|---|---|---|---|
| In one line | ChatGPT's agent mode: hand it a whole task across your email, apps, files and browser. | Free, open-source personal agent from Nous Research that remembers and learns as it works. | Opera's free everyday browser with a built-in AI sidebar that reads your tabs. |
| Pricing model | Freemium | Free | Free |
| Starting price | $20/mo | $20/mo | Free |
| Free plan | Yes | Yes | Yes |
| Works with Claude Code | No | Yes | No |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
|---|---|---|---|
| Overall rating | 4.0Winner | 3.5 | 3.9 |
| Ease of useHow quickly someone non-technical gets value from it. | 4.0 | 2.5 | 4.5 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 4.5 | 4.5 | 3.0 |
| Output qualityHow good the results are before you fix them. | 4.0 | 3.5 | 3.5 |
| Value for moneyWhat you get for the price, including the free plan. | 4.0 | 4.0 | 4.5 |
| Speed & reliabilityHow fast it is and how often it falls over. | 3.5 | 3.0 | 4.0 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
|---|---|---|---|
| Access & platform | |||
| Free plan | Yes | Yes | Yes |
| Mobile app | Yes | No | 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 | – | No |
| Connects to other apps | Yes | Yes | Yes |
| Open source or self-hosted | No | Yes | No |
| AI abilities | |||
| Works with your files | Yes | Yes | Yes |
| Understands images | Yes | Yes | Yes |
| Makes images | Yes | Yes | Yes |
| Makes video | No | No | No |
| Writes code | Yes | Yes | No |
| Runs agents or automations | Yes | Yes | No |
| Learns your brand or style | No | Yes | No |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 12/ 17 | 11/ 17 | 8/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
|---|---|---|---|
| Plans | Free Free Trying a task or two on desktop. | Self-hostedOur pick Free Anyone happy to bring their own AI model key. | Free Free Everyone. There is no paid tier for the AI. |
PlusOur pick $20/mo Handing off a few jobs a week. | Nous Portal Plus $20/mo People who want one bill for models and tools. | Free with an Opera accountOur pick Free Anyone who wants chat history across devices and more images. | |
Pro From $100/mo Anyone running agent tasks every day. | Nous Portal Super $100/mo Heavy users or an agent hosted around the clock. | ||
Business See website Teams that want shared admin and no training on their data. | Nous Portal Ultra $200/mo Agents running big jobs all day. | ||
| Which plan to pick | Try it on Plus with a couple of real jobs. If you hand it work most days you'll run out of credits, and that's when Pro or extra credits make sense. | Hermes itself costs nothing. If you already pay for an AI model's API, plug that in. If you'd rather not collect separate keys for models, search and browsing, Nous Portal Plus at $20 a month covers light use. There's also a free Portal tier limited to free models. | 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 | ChatGPT Work | Hermes Agent | Opera One |
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Pros and cons
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
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Who each one is for
| Attribute | ChatGPT Work | Hermes Agent | Opera One |
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Questions people ask
Which is better, ChatGPT Work, Hermes Agent or Opera One?
ChatGPT Work scores highest overall in our ratings (ChatGPT Work 4.0/5, Hermes Agent 3.5/5 and Opera One 3.9/5). ChatGPT Work is best for sorting inbox and calendar admin across connected apps and weekly reports and reviews on a schedule. Hermes Agent is best for A personal assistant you message on Telegram or WhatsApp and scheduled reports and briefings that run unattended. Opera One is best for summarising long pages and YouTube videos and comparing suppliers or products grouped in a Tab Island.
Which is cheaper, ChatGPT Work, Hermes Agent or Opera One?
ChatGPT Work: There's a free plan, and paid plans start at $20/mo. Hermes Agent: There's a free plan, and paid plans start at $20/mo. Opera One: It's free to use.
Which is easier to use, ChatGPT Work, Hermes Agent 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.
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