Perplexity Comet use cases
42 real things people got Perplexity Comet to do, each with what they asked, how it went, and the prompt to copy.
Apply to marketing jobs on LinkedIn in bulk
A Comet user had the agent submit about 100 LinkedIn applications in 40 minutes, with no interviews resulting.
Automate LinkedIn content creation
The author used Comet to automate their LinkedIn content workflow and reports 5 unexpected Gumroad sales.
Book a gym tour and compare memberships with Comet
NBC tested Comet on job applications, shopping and a gym tour; it needed intervention, booked the tour after prodding, and built a price comparison chart.
Book a restaurant and draft a reschedule email with Comet
A reviewer had Comet find and reserve a Friday 7pm table and fill in a Gmail reschedule email, leaving the send to the user.
Book a Southwest flight from a search
A Travel Weekly reporter had Comet book a chosen Southwest flight on a logged-in account, selecting the fare and entering personal details.
Build a grocery cart from purchase history
Instacart's AI assistant built a 27-item cart from the shopper's purchase history, turned dinner ideas into carts and flagged unavailable items.
Build an Instacart list for a charcuterie board
Comet added about 20 items to an Instacart cart from ShopRite in about five minutes, choosing cheapest or bestselling items, and declined to purchase.
Buy headphones during a sale with an AI agent
An AI agent bought headphones for the poster; they also use a browser extension for sale purchases and price-drop alerts.
Clear Gmail spam folder with a browser agent
A reviewer had Comet clear their Gmail spam folder, which worked; adding recipe ingredients to an Instacart cart struggled.
Compile and filter apartment listings with Claude
A renter used Claude and ChatGPT to compile property-management sites and filter listings; results were decent but included some out-of-parameter listings, and he found a place through a friend.
Compile recent LLM research papers into a Word doc
Comet found major LLM/agent training papers from six months with links and analysis, then saved them to a Word doc via Outlook.
Complete an online course assignment in the browser
Perplexity Comet was prompted to complete a Coursera web design assignment and appeared to finish it in a short clip; the CEO told people not to do this.
Draft and send an email through Gmail
Comet wrote an SEO email and sent it to the author without asking for review; it arrived with markdown formatting problems.
Email a daily AI news brief and build slide decks from tabs
Comet searches the day's AI news, picks the top 5 stories and emails a brief, and merges tagged tabs and reports into a cited Google Slides deck.
Fill out booking forms automatically
A reviewer had Comet fill out booking forms and a questionnaire across several sites, pausing only to confirm completion.
Find a cheaper Rome flight and hotel combination
A user had a browser agent compare round-trip flights to Rome and mid-range hotels under a budget; it found booking separately was cheaper than a package.
Find and add high-meat cat food to a basket
A reviewer had Comet's assistant find the cat food with the most meat and add it to the basket, plus some product comparison and form filling, though imperfectly.
Find and book airport parking (partly failed)
A reporter asked Comet to find cheap parking near SFO and book it; it entered the wrong dates twice and still pushed checkout.
Find coffee makers under $100 and add options to the cart
Perplexity Comet searched Amazon for coffee makers with a grinder, built a comparison table and added two options to the cart, stopping before purchase.
Find laid-off LinkedIn prospects and draft outreach
Comet scanned LinkedIn posts through her logged-in account, pulled names and links, and drafted outreach notes for review in under a minute.
Find Reddit threads on reader pain points
A newsletter writer had Comet find Reddit threads on reader pain points, finding extra sources in about 15 minutes without intervention.
Follow an account and comment on LinkedIn
Comet followed the Perplexity CEO on LinkedIn, found a specific post and commented on it in one attempt.
Get a billing dispute refunded by a support agent
A customer disputed an incorrect Vercel bill and the company's support AI agent produced and offered a refund on its own.
Hunt for an apartment with an agent (partly failed) with ChatGPT
A self-hosted agent surfaced broken links and mismatched descriptions at over $100 in credits; ChatGPT then compared listings and scheduled searches until it lost site access.
Manage X follows and unfollows
@keyrunnftart used Comet to unfollow accounts and follow others back on X.
Migrate FreshBooks account data to Google Sheets
A commenter used Comet to move five years of FreshBooks account data into Google Sheets.
Open recent protein-ligand structures in PDB
A researcher had Comet find the three latest GSK3B protein-ligand complexes in the PDB and open each in Ligand Interaction view.
Plan a London walking tour and hunt cheap flights
The author used Comet as default browser for a month to plan a walking tour, search flights in set windows and draft emails, noting where it struggled.
Research conference speakers and organize tabs
Comet researched 50 HumanX speakers, surfaced themes and podcast guests, built a camera spec table, and cleaned up tabs.
Research on X, summarize YouTube transcripts, build decks
@Tape_Vector uses Comet for X research, summarizing YouTube video transcripts and building presentations.
Research purchases for delivered price and working coupons
The poster built an agent that compares real delivered prices, tests every coupon it finds, reads owner feedback and goes through checkout without ordering.
Research restaurants and hotel availability for trips
A writer used Comet to browse Michelin restaurants for Copenhagen, check Japan hotel availability, and look for deals.
Run browser agents for small admin tasks
An educator tried agentic browsers that made a meeting poll, looked up and summarized colleagues' teaching schedules, and reformatted a slide deck, though clunky and slow.
Run grocery, email and photo tasks through Comet browser
A reviewer gave Comet access to his Intermarché account and tried it on email cleanup, sorting 8,000 Dropbox photos and calendar planning, with failures and security risks.
Run marketing prospecting and SEO research
Comet found growth-signal e-commerce companies, built contact lists with Gmail drafts, mined Reddit for SEO questions, and audited a checkout flow.
Scrape startup directories for leads in parallel
The author used Comet to spawn multiple agents scraping ProductHunt for cold leads who could benefit from Reddit marketing.
Screen job listings daily against resume and salary data
A laid-off job seeker runs an agent each morning that reviews LinkedIn, cross-references levels.fyi leveling and salary, and assesses fit to their resume.
Search flights with airline constraints using Comet
Comet searched Lisbon-to-Taiwan flights across chosen airlines with no 737 Max and one stop max, pulling live prices and reaching the passenger info page.
Search for a wedding flight to New York
The author gave Comet and ChatGPT Atlas the same flight-booking task; Comet mostly pointed to aggregators instead of specific flights.
Shortlist destinations and compare stays
Comet shortlisted sunny destinations by flight time from Amsterdam, then pulled Airbnb and Booking.com listings into a comparison table.
Tell Indian citizens which government schemes they're owed
An agent built on Sanity queries real content to tell people in India which government schemes they are entitled to.
Test API endpoints in Postman and report results
@ai_for_success used Comet to generate test payloads from context, run API endpoint tests in Postman and produce a final report.