Side-by-side comparison · AI Browsers & Agents
Dia vs OpenClaw vs Comet
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: Office workers and teams who live in Slack, Gmail and Atlassian tools and want their browser to pull it all together.
Pick it if: Technically confident people who want a 24/7 personal assistant on their own hardware and accept the security risk.
Pick it if: Anyone who researches, compares or reads a lot online and wants an AI helper in the browser without paying for it.
Overview
| Attribute | Dia | OpenClaw | Comet |
|---|---|---|---|
| In one line | A work browser from the makers of Arc that answers questions from your tabs and apps. | A free, open-source assistant you run yourself and message on WhatsApp or Telegram. | Perplexity's free web browser with an assistant that reads your tabs and does tasks. |
| Pricing model | Freemium | Open source | Freemium |
| Starting price | $10 to $20/mo (Dia's page shows both) | Free | $5/mo |
| 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 | Dia | OpenClaw | Comet |
|---|---|---|---|
| Overall rating | 3.6 | 3.2 | 3.9Winner |
| Ease of useHow quickly someone non-technical gets value from it. | 4.5 | 1.5 | 4.5 |
| FeaturesHow completely it covers the job it's built for, and how well the pieces fit together. | 3.5 | 4.5 | 4.0 |
| 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. | 2.5 | 3.5 | 4.0 |
| Speed & reliabilityHow fast it is and how often it falls over. | 3.5 | 3.0 | 3.5 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | Dia | OpenClaw | Comet |
|---|---|---|---|
| Access & platform | |||
| Free plan | Yes | Yes | Yes |
| Mobile app | No | No | Yes |
| Desktop app | Yes | Yes | Yes |
| Browser extension | No | No | Yes |
| API access | No | Yes | No |
| Teams & business | |||
| Team workspace | Yes | Yes | Yes |
| Enterprise plan or SSO | Yes | No | Yes |
| 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 | No | No | No |
| Makes video | No | No | No |
| Writes code | No | Yes | No |
| Runs agents or automations | No | Yes | Yes |
| Learns your brand or style | No | No | No |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 8/ 17 | 11/ 17 | 11/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | Dia | OpenClaw | Comet |
|---|---|---|---|
| Plans | Better Browser Free People who want a tidy browser without AI. | Self-hostedOur pick Free Everyone: there is no paid version. | FreeOur pick Free Everyday browsing with an assistant for summaries and questions. |
Better AnswersOur pick $10 to $20/mo (Dia's page shows both) Anyone who wants the AI chat day to day. | Comet Plus $5/mo Readers who want partner publishers' paywalled articles. | ||
Better Days $100/mo Heavy users who want the full workday assistant. | Perplexity Pro $20/mo, or $200/yr Anyone who wants the agent to do tasks for them. | ||
Dia for Work See website Companies rolling it out to staff. | Perplexity Max $200/mo, or $2,000/yr Heavy users running many tasks in the background. | ||
| Which plan to pick | Use the 14-day trial properly, then decide if the chat alone is worth $20 a month to you. Better Days at $100 only makes sense if the Morning Brief and meeting prep save you real time every day. Existing users keep their free AI for now, with 30 days' notice before that changes, and Windows users aren't on the paid plans yet. | There's nothing to buy. Budget for the AI model instead: a cheaper model or a local one keeps costs to a few dollars a month, while a top model running all day can cost $50 or more. Check your AI provider's rules first, because Google and Anthropic have both restricted using personal subscriptions with it at times in 2026. | Use it free: the sidebar assistant alone is worth having, and most people never need more. Pro makes sense if you want Perplexity's research tools anyway, but don't buy it just for the browser agent, since Pro's credits are a one-off bundle. Nobody needs Max just for the browser. |
Key features
Pros and cons
| Attribute | Dia | OpenClaw | Comet |
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Who each one is for
| Attribute | Dia | OpenClaw | Comet |
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Questions people ask
Which is better, Dia, OpenClaw or Comet?
Comet scores highest overall in our ratings (Dia 3.6/5, OpenClaw 3.2/5 and Comet 3.9/5). Dia is best for asking questions across several open tabs and A morning summary of calendar, email and tasks. OpenClaw is best for A personal assistant you text on WhatsApp or Telegram and morning briefings from email and calendar. Comet is best for summarising long pages, PDFs and videos and comparing products or suppliers across tabs.
Which is cheaper, Dia, OpenClaw or Comet?
Dia: There's a free plan, and paid plans start at $10 to $20/mo (Dia's page shows both). OpenClaw: It's free and open source. Comet: There's a free plan, and paid plans start at $5/mo.
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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