Hark
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« Let an assistant with persistent memory manage your reservations, searches, emails, and purchases. Its browser agent interacts with the web, and its dashboards create personalized mini-apps »
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Hark: Brett Adcock's personal AI assistant books, buys and pays so you don't have to
Updated on October 8, 2026
Hark is a personal AI assistant built to act on the web for you, created by Brett Adcock, the founder of Figure AI and Archer Aviation. Its app, Hark Pro, went live on October 6, 2026 on web, iOS and Android, and every function ships in the free plan. The paid tiers, Hark Pro² and Hark Pro³, only raise usage caps, at $20 and $100 per month. Availability outside the United States has not been confirmed, so a quick check of your local app store comes first.
Pros
- Every function included in the free plan
- Handoff browsing stays visible while it works
- Panels mini-apps built from a plain description
- Encrypted vault for passwords and card details
- Persistent memory in a single chat thread
Cons
- Availability outside the US not confirmed yet
- No desktop app at launch
- Usage caps not publicly detailed
Chat, Panels and Handoff, the three layers of Hark Pro
Hark Pro combines a chat thread with persistent memory, mini-apps called Panels and a web agent named Handoff, first previewed in August 2026. The agent drives up to six browsers at once on a cloud computer and logs into sites on your behalf, including ones without an API such as Target, Walmart or OpenTable. You type one sentence, a small window shows the agent clicking through a checkout, then pausing for your approval before paying.
Panels, meanwhile, are generated from a short description plus the accounts you connect, from Strava and Spotify to Venmo and Netflix. Google and Outlook plug in through direct APIs, and the open MCP standard extends the list further. Hark states that Handoff has been independently verified as the top-performing computer-use model in the world, a vendor claim worth reading as such.
| Function | What it does |
|---|---|
| Chat | Single thread with persistent memory |
| Projects | Long-running efforts like a trip or a job hunt |
| Handoff | Web agent, up to six cloud browsers in parallel |
| Panels | Mini-apps generated from a description and your accounts |
| Action Buttons | Suggested tasks settled in one tap, pay or cancel |
| Secured by Hark | Encrypted vault for logins and payment details |
The official Hark Pro reveal
An independent first look at the Hark Pro agent
A $6 billion startup squaring off with Dots and Muse
Brett Adcock put $100 million of his own money into Hark before the company raised over $700 million in a May 2026 Series A at a $6 billion valuation, with NVIDIA and AMD Ventures among the backers. The launch landed one week after OpenAI's Dots and a month after Meta's Muse, which sells at the same three price points. The race between autonomous personal agents now has three serious runners.
Under the hood, Hark says its in-house model predicts the next action rather than the next token, a working definition of a program acting autonomously toward a goal. Press reports also point to dedicated devices in 2027, and the Apple designer behind the iPhone Air joined the team in January 2026, per Bloomberg.
Getting started with Hark, from free plan to Pro³
Hark Pro can be tried in full without paying, since the company states that all plans include all functions. Hark Pro² doubles your usage for $20 a month, Hark Pro³ multiplies it by ten for $100, and the app carries no ads. Exact caps are not published. Those figures reflect launch day, and the official pricing page remains the reference as things move.
Sign-up happens on the web, the App Store or Google Play, with no desktop version. One caveat, Hark has not spelled out which countries are served outside the US (thirty seconds in your local store settles the question).
Frequently asked questions
What is Hark AI and who built it?
Hark AI is the company behind Hark Pro, a personal assistant that completes web tasks on your behalf instead of only answering questions. Brett Adcock, who also founded Figure AI (humanoid robots) and Archer Aviation (air taxis), founded Hark in 2025, brought it out of stealth that December, and released Hark Pro on October 6, 2026 on web, iOS and Android.
Is Hark Pro free to use?
Yes, every function of Hark Pro is included in the free plan, with usage limits. Hark Pro² costs $20 per month for double the usage and Hark Pro³ costs $100 for ten times the usage, with no extra functions behind either tier and no advertising anywhere in the app.
How does Hark's Handoff agent work?
Handoff runs a secure browser on a cloud computer, drives up to six browsers in parallel and can log into sites for you, even ones with no public API. A small window shows what it is doing in real time, and it pauses to ask for your approval before sensitive steps like a payment.
Is it safe to give Hark your passwords and payment details?
Secured by Hark stores logins and cards in an encrypted vault the company says even its own staff cannot read, and the agent requests confirmation before acting on sensitive steps. These remain company assurances rather than an independent audit, so starting with low-stakes accounts while trust builds is the sensible route.
Verdict: Handing your online chores to an agent costs nothing to try here, since the free plan includes the whole toolset. Early adopters keen to watch an agent click through the real web, ahead of Hark's 2027 hardware, are the natural first audience.
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