Browserbase
Headless browser infrastructure powering web agents
Browserbase runs headless browser infrastructure for AI agents and web automation, powering 50M+ browser sessions in 2025 and maintaining the open-source Stagehand framework. Its browsers are widely used to run browser-agent environments and evals.
Stagehand open-source browser agent framework; Director product
| Website | browserbase.com |
|---|---|
| Domains | Browser, Agents Infrastructure |
| Location | San Francisco |
| Team size | 26-50 |
| Founded | 2024 |
| Funding | Series B, $40M at $300M valuation (June 2025); $67.5M total |
| Founders | Paul Klein IV @pk_iv |
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