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Hosted headless-browser infrastructure so AI agents can browse, log in, and fill forms on real websites at scale.
Browserbase runs headless browsers in the cloud and rents that capacity to developers building agents that need to act inside a real browser: filling forms, logging into accounts, and scraping sites without a public API. It handles the parts that are painful to build in-house, including session persistence, proxy rotation, and automatic CAPTCHA solving, plus a Model Gateway for calling different AI models through one key and an observability layer for watching sessions live. The company also maintains Stagehand, an open-source browser automation framework, and a Browse CLI. Browserbase Inc. is based in San Francisco and was founded in 2024, and has raised a Series B led by Notable Capital.
Free plan gives 1 browser hour and 3 concurrent browsers; paid plans start at the $20/month Developer tier with 100 browser hours, then $0.12/hour overage.
Use tool ↗Browserbase removes the operational work of running headless Chrome at scale - proxies, fingerprinting, CAPTCHA, session storage - which is exactly the layer most agent-building teams don't want to own themselves. It's infrastructure, not a finished agent, so there's still integration work to do on top of it.
Watch out: The free plan's 1,000 search/fetch calls and 1-hour browser budget are meant for evaluation, not production traffic - most real usage lands on the $20+/month tiers.
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