Perplexity Employee Launches Polar, an AI Browser for Knowledge Work

The AI browser gold rush of 2025 is already looking like a graveyard. OpenAI's Atlas barely made a dent before fading into irrelevance. The Browser Company sold itself to Atlassian and pivoted Dia toward plain old productivity. Even Firefox, trying to play nice with an opt-out AI feature, still got an earful from users who just wanted their browser to be a browser. So it's a strange moment for a new AI browser startup to raise money and declare it's going all-in on the category everyone else seems to be quietly abandoning.

But Polar, founded by former Perplexity Comet engineer Kevin Jiang, isn't chasing the same dream that sank its predecessors. Those browsers wanted to replace search and turn every tab into a chat window, betting that regular people would talk to their browser the way they talk to ChatGPT. Jiang's read on that: wrong market. Most consumers don't book flights or make dinner reservations often enough to justify switching browsers for it. There's no daily habit to hook into.

Instead, Polar is chasing knowledge workers, the people who spend eight hours a day toggling between tabs, chasing leads, drafting outreach, or compiling research. The pitch is narrower and, frankly, more believable: let people schedule workflows, save prompts, and hand off tasks to agents that already have access to whatever's open in the browser. Sales reps, recruiters, marketers, ops folks. Polar says it's built so non-technical users can set this up without touching code, and most of its current users apparently keep it running in the background while browsing normally elsewhere, treating it less as a daily driver and more as a task-automation engine bolted onto their existing workflow.

The money backs up the idea that this niche has legs. Polar just closed a $5.7 million seed round led by Madrona, with checks from a genuinely eclectic list including former GitHub CEO Thomas Dohmke, Phia's Phoebe Gates, Modal's Erik Bernhardsson, and Etched co-founder Rob Wachen. Madrona partner Sabrina Albert made the case plainly: automating knowledge work is a massive market, and the browser has a structural advantage other agent tools lack, since it's already logged into the services people use constantly. That access, rather than some flashy chat interface, may be the actual moat.

The pricing is simple too — free with daily credits, $20 a month for more. Polar isn't pretending the browser wars are over. It's just betting the war moved from chat gimmicks to quiet automation, and that the winner won't be whoever grabs the most headlines, but whoever agents can actually be trusted to work unsupervised in.