Browserbase valuation, funding and revenue

What is Browserbase's valuation?

Browserbase was valued at $300M in June 2025, according to press reports (upstartsmedia.com). A private company's valuation is set when it raises money, so it can be well out of date between rounds.

How much funding has Browserbase raised?

No public source states Browserbase's total funding. The rounds below are the ones we could confirm; there may be others. The latest round was a $40M Series B in June 2025, led by Notable Capital, according to press reports.

What is Browserbase's revenue?

• More than $3M revenue in June 2025, according to press reports (upstartsmedia.com).

ARR (annual recurring revenue) is the yearly value of current subscriptions; annualized revenue scales a recent month or quarter up to a year. Neither is audited revenue. See what ARR is.

Browserbase website traffic

Estimated monthly visits to browserbase.com across all channels, rounded. -7% over three months to August 2026.

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About Browserbase

• Browserbase sells cloud headless-browser infrastructure that lets developers' AI agents and automations use websites at scale. upstartsmedia.com
• Founded in 2024. browserbase.com
• Founders: Paul Klein IV. upstartsmedia.com
• Browserbase announced the $40 million Series B led by Notable Capital, with CRV and Kleiner Perkins, on its own blog but did not state a valuation there. The $300 million valuation comes from Upstarts Media (Alex Konrad), which interviewed the CEO. browserbase.com
• Upstarts does not say whether the 'more than $3 million in revenue' is annualized or cumulative. It describes the revenue as consumption-based and mostly from teams expanding their use. upstartsmedia.com
• Founding year is derived from the CEO's June 2025 Series B post, which says he started Browserbase '16 months ago' (early 2024). browserbase.com
• Series A date: CEO Paul Klein IV announced it on X on 29 October 2024. Outset Capital's post is dated November 2024, and Upstarts says the Series A was 'raised in September'. The round is listed under October 2024, the announcement month. outsetcapital.com
• No 2026 funding round was found as of October 2026. upstartsmedia.com
• As of June 2025 Upstarts reported 1,000+ customers (including Perplexity and Vercel) and 50 million browser sessions run in 2025 so far. upstartsmedia.com

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Sources

Checked on 9 October 2026. Traffic figures are third-party estimates, not company-reported numbers.

1. https://www.upstartsmedia.com/p/browserbase-raises-40m-and-launches-director
2. https://www.browserbase.com/blog/series-b-and-beyond
3. https://www.outsetcapital.com/blog/browserbase-series-a