browser-agent tools positioned as replacements for Runner H. Open a matrix to compare side by side.
Visit Runner HAI browser from Perplexity with a built-in assistant agent that summarizes pages, sends emails, and shops on your behalf while browsing, integrating Perplexity's answer engine.
Chromium-based, AI-first browser from The Browser Company (makers of Arc); the address bar doubles as an AI chat that searches the web, summarizes uploaded files, and pulls in Slack, Notion, and calendar context.
A developer platform offering headless browser-as-a-service, web APIs, and frameworks specifically built for running, debugging, and scaling AI browser agents.
AFIT verdict
Browserbase is a strong choice for developers building and scaling AI browser agents that need to bypass CAPTCHAs, handle complex authentication, and run concurrent browser sessions. The catch is that it is a commercial cloud platform, though they open-source some client tools like Stagehand and the Browse CLI.