Which AI Browser is Best

This Week

It’s been a packed couple of weeks. I spent days battling OpenAI’s Atlas and Perplexity’s Comet browsers against each other, testing every use case I could think of—from research tasks to booking workflows.

I also had a lot of fun experimenting with Canva’s new AI features, which made it easy to spin up some pretty snazzy designs.

And I logged more hours watching AI keynotes, reading release notes, and digging through security documentation than I care to admit.

Here’s what’s inside this week’s edition:

• Atlas vs. Comet: Which AI Browser Is Best?

• AI Browsers Are a Cybersecurity Time Bomb

• Canva’s Big Bet on Design Intelligence

• AI Scams Are Hitting Travel Budgets

Read on.

Atlas vs Comet: Which AI Browser is Best?

This week, I tested Perplexity's Comet and OpenAI's ChatGPT Atlas, two of the new “agentic” AI browsers that can read websites, open tabs, and even interact with apps like Notion.

Both are free to try and both had moments that genuinely impressed me, but by the end of the week, I found myself back in Chrome more than I expected, and not just for convenience.

Here’s what I found:

Atlas is the one I preferred overall, probably because it’s my LLM of choice. It felt more familiar and personal, and gave feedback that felt customized to me. When I asked it to analyze my LinkedIn engagement by visiting the analytics page, it gave specific, actionable advice, calling out key elements of my demographics and post performance. 

Comet, on the other hand, gave me a generic list of “how to do better on LinkedIn” without mentioning any of my relevant data. It felt like advice pulled from a blog post, not an AI that had seen my profile.

A few other things I tried:

→ Booked a table at a restaurant — both got me to the reservation page eventually, though it took a couple nudges.

→ Competitive research for a client — I asked both browsers to open 3 tabs (my client’s site + two competitors). They pulled similar insights, but the wording and structure of the summaries varied slightly. Neither blew me away, but both were useful.

→ Top 5 AI news stories into a Notion database — Atlas and Comet both completed the task. They browsed the news, picked five stories, opened my Notion page, and started plugging them in. The Notion navigation was clunky (and took forever), but it technically worked, and I used the time to focus on something else.

→ Calendar scanning and meeting prep — I asked both agents to review my calendar and prep me for the week ahead. I expected a quick rundown on my most important meetings. Instead, they skipped right over my prospect calls and gave me prep for a webinar I’d signed up for and an internal team sync I didn’t need help with. The winner in this case was asking ChatGPT rather than letting the Agent versions fumble their way through.

So, is it time to ditch Chrome?

Not yet.

These AI browsers are good for productivity tasks, research, and workspace-based automations, but for everyday search (especially video) I still found myself bouncing back to Google.

There’s no mobile version yet and the browsers don’t support emoji shortcuts or printing to PDF which is a feature I sorely missed. You’ll also need to assess the risks… more on that below.

👉 Want to try Atlas? It’s free if you’re a ChatGPT and MacOS user. You can download it here: https://chat.openai.com/atlas

👉 Curious about Comet? It’s also free with a Perplexity account. Give it a spin here: https://www.perplexity.ai/labs/comet

And if you need more ideas for what to do once you've downloaded the browsers, you can check out Grace Leung’s demo video for more use cases or Candice Gasperini’s quick comparison on LinkedIn.

If you’re not wild about either Atlas or Comet there are plenty of other AI browsers to choose from: Microsoft’s Edge, Brave and Opera are other popular choices. 

AI Browsers Are a Cybersecurity Time Bomb

AI browsers have some amazing capabilities, and they’re also a cybersecurity time bomb.

Yes, they’re opening up a whole new way to work online, but behind the productivity features is what researchers are calling a security nightmare in the making.

According to The Verge, testers have already uncovered vulnerabilities. Hidden prompts buried in web pages can hijack the AI, exfiltrate data, or trigger malicious downloads. The browser can’t tell the difference between your instructions and those invisibly embedded in the site’s code. 

Let’s say you copy a short paragraph from a webpage. It looks harmless, but hidden inside could be instructions that command the AI agent to perform a malicious action the next time you paste. And if you’re signed into sensitive accounts like your bank or email, even asking the agent to summarize a Reddit post could result in an attacker stealing your data or money.

OpenAI’s own Chief Information Security Officer admits prompt injection remains a “frontier, unsolved problem.”

If you're experimenting with AI browsers in your daily workflow, it might be time to loop in your security team or at the very least, check your permissions and data-sharing settings.

Canva’s Big Bet on AI Design Intelligence

Canva just launched what it claims is the first AI model trained specifically to understand design fundamentals. 

After spending a few days testing the new version, I can see what they’re aiming for. The layouts and functions take a bit of getting used to, but the AI enhancements make the creative process noticeably smoother.

The platform is positioning itself as a Creative Operating System, connecting design, content, and data in one workspace. 

You can brainstorm ideas, generate visuals or copy, and even tag @Canva in comments and the built in AI will give you design feedback.

One of the biggest time-savers is the ability to prompt for a fully designed layout rather than starting with a template. You can also capture data directly in Canva using the new Forms feature, bringing responses straight into Canva Sheets for analysis.

For marketers, Canva Grow is the standout addition. It helps design and launch campaigns, connects to Meta and uses performance data to improve results over time. 

With tools for forms, email, and video now built in, Canva is evolving from a design platform into a full marketing ecosystem.

If you want a quick walkthrough of what’s new, Jacqui Naunton has a great how-to video that covers the latest features in action: Watch here.

AI Scams Are Hitting Travel Budgets

This one’s for my friends in travel: AI is now writing fake receipts and they look real.

Expense platforms are being flooded with AI-generated fake receipts and travel budgets are one of the easiest targets. According to SAP, 70% of CFOs believe employees are already using AI to submit false expenses. 

Scammers are using AI to create entire fake businesses, generate fake family emergencies, and even clone voices. Last year, a cybercriminal used AI to impersonate WPP’s CEO on a call, almost convincing staff to wire thousands of dollars.

“There is zero barrier for entry,” says Mason Wilder from the Association of Certified Fraud Examiners. “You don’t need any technological skills.”

And now that text-to-image generation models can generate photo-realistic images from a simple prompt, what used to require Photoshop now takes 10 seconds and a few words.

Companies are responding — Visa blocked nearly $1B in fraud using AI, and others are rolling out tools to detect metadata tampering and patterns across submissions but for the average expense manager it’s tough going.

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