Why Browserbase matters
Browserbase raises a $40M Series B led by Notable Capital at a $300M post-money valuation on June 18, 2025, bringing total funding to $67.5M. The same day it launches Director, a tool that turns plain-language instructions into browser automations. Its open source Stagehand SDK, which gives agents act, observe and extract commands, has 24,500 GitHub stars as of September 2026.
The numberRaised $40M Series B at a $300M valuation led by Notable Capital on June 18, 2025
On The Agentic 80
Listed under Agent frameworks and infrastructure. What agents are built on: orchestration, tools, memory, evals, sandboxes.
Quick answers
- What does Browserbase do?
- Cloud-hosted headless browsers and the Stagehand SDK for AI agents that work inside websites. Browserbase raises a $40M Series B led by Notable Capital at a $300M post-money valuation on June 18, 2025, bringing total funding to $67.5M.
- What AI capabilities does Browserbase offer?
- Browserbase provides cloud-hosted headless browsers and the Stagehand software development kit so AI agents can operate inside websites. Customers get managed browser sessions, plus APIs for navigation, clicks, typing, and data extraction. Stagehand adds natural language actions and structured extraction so teams can automate web workflows, testing, and data collection without building or hosting browser infrastructure themselves.
- Why is Browserbase on The Agentic 80?
- Browserbase is listed under Agent frameworks and infrastructure. What agents are built on: orchestration, tools, memory, evals, sandboxes. Raised $40M Series B at a $300M valuation led by Notable Capital on June 18, 2025.
- Where is Browserbase based, and who owns it?
- Browserbase is based in San Francisco, CA, was founded in 2024 and is private, Series B.