Practical AI for everyday use

Perplexity Comet
Best for AI-assisted browsing
Worth testing if AI-assisted browsing and research fit your daily work.

Rating

7.8

Cost

Check current pricing

Pricing type

Freemium

Free plan

Limited availability

What this tool does well

Perplexity Comet is one of the more interesting AI browser ideas because it links browsing with research. Instead of using a browser in one place and an AI assistant somewhere else, Comet tries to bring those tasks together.
That could be useful for people who spend a lot of time reading websites, comparing information and trying to make sense of open tabs. In theory, an AI browser can help summarise pages, answer questions about what you are reading and support research while you browse.
The reason I would include Comet on Nova9 is because AI browsers could become important. They are not just another chatbot. They change where the AI sits. It is no longer waiting in a separate window. It is closer to the pages, accounts and information you use.
That is also why I would be careful. A browser can see more than a normal chatbot. That means it can be useful, but it also needs stronger trust, clearer permissions and better safety habits from the user.

Who this tool suits

The useful side of Comet is clear. If it can help with research, summaries and web tasks, it could save time. It may be especially useful for comparing tools, reading long pages, checking several sources or building a quick view of a topic.
But Nova9 would be security conscious with any AI browser. One issue to understand is prompt injection. This is where hidden or harmful instructions on a web page may try to influence what the AI does. A normal user may not see those instructions, but the AI may read them while helping with the page.
That does not mean AI browsers should be avoided completely. It means they should be tested carefully. I would not start by using Comet with banking, private work systems, client data or sensitive accounts. I would keep permissions limited and use it first for low-risk browsing and research.
The value of Comet depends on whether it makes browsing genuinely easier without asking for too much trust too soon.

What to watch for

Best for: AI-assisted browsing, web research, summaries, source checking and comparing information.
Who should try it first: researchers, writers, creators, AI enthusiasts and people who use Perplexity already.
What may annoy you: AI browser safety needs careful thought, and some users may not want an assistant sitting close to their browsing activity.
Comet is worth watching because AI browsers could change everyday web use. But I would start slowly. Nova9 is security conscious, so I would only give limited access while testing and avoid sensitive accounts until the browser has proved it handles permissions, prompt injection and unwanted actions well.

Try this task

Research this topic across the open tabs and give me a short evidence-led summary with links.

Try this prompt

Review these pages and summarise the strongest evidence. Include links and separate facts from assumptions.

Skip it if

You need a stable workflow or do not want an experimental browser experience.

What to check before paying

Check availability, privacy settings, browsing permissions and current plan limits.

Nova9 View

Comet is a promising AI browser for research and web summaries, but I would test it carefully. AI browsers can face prompt injection risks, so Nova9 would only use limited access and avoid sensitive accounts during testing.

Official source

Last checked

2026-07-21