Browser Use
Open-source AI web agent enabling autonomous browser control and interaction.
Website: https://browser-use.com
Who Is Behind the Company
Co-Founders (2): Magnus Müller, Gregor Zunic.
Cover Block
| Field | Value |
|---|---|
| Name | Browser Use |
| Tagline | Open-source AI web agent enabling autonomous browser control and interaction |
| Headquarters | San Francisco, CA, USA |
| Founded | 2024 |
| Stage | Seed |
| Business Model | Open Source / Commercial |
| Industry | Deeptech |
| Technology | AI / Machine Learning |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2): Magnus Müller, Gregor Zunic |
| Funding Label | Seed |
| Total Disclosed | ~$17,000,000 [SiliconANGLE, March 2025] |
Links
- Website: https://browser-use.com
- LinkedIn: https://www.linkedin.com/company/browser-use
- Y Combinator: https://www.ycombinator.com/companies/browser-use
- Documentation: https://docs.browser-use.com
What an Investor Needs First
Browser Use is a San Francisco-based open-source project that translates live web pages into structured text so that large language models can operate browsers deterministically, a capability that has positioned it as connective tissue for the emerging class of AI agents [SiliconANGLE, March 2025]. The company was founded in 2024 by Magnus Müller and Gregor Zunic, went through Y Combinator, and reached roughly 50,000 GitHub stars within three months of launch [Y Combinator]. In March 2025, Browser Use closed a $17 million seed round with participation from Felicis, 468 Capital, A.Capital Ventures, Nexus Venture Partners, Paul Graham, SV Angel, Liquid2 and Pioneer Fund, among others [SiliconANGLE, March 2025] [PitchBook]. Daily downloads of the package quintupled from roughly 5,000 on March 3 to about 28,000 on March 10, 2025, a spike attributed in part to its role inside the viral Manus agent system [TechCrunch, March 2025]. The product differentiates from screenshot-based computer-use approaches by parsing the DOM into a structured representation that LLMs can reason over [SiliconANGLE, March 2025]. Over the next 12 to 18 months, the questions worth tracking are whether the team can convert open-source momentum into a paid cloud product, how the offering competes with Anthropic's Computer Use and infrastructure peers like Browserbase, and whether large model labs absorb the abstraction layer into their own agent stacks [Y Combinator] [TechCrunch, March 2025].
Data Accuracy: GREEN -- Confirmed by SiliconANGLE, TechCrunch, Y Combinator and PitchBook.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Seed |
| Business Model | Open Source / Commercial |
| Industry / Vertical | Deeptech, AI agent infrastructure |
| Technology Type | AI / Machine Learning, Browser automation |
| Geography | North America (San Francisco) |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding | Seed, ~$17M disclosed |
Inside the Company
Browser Use began in 2024 as an open-source effort by Magnus Müller and Gregor Zunic to give AI models a reliable way to operate web browsers on a user's behalf [Browser Use, March 2025]. Crunchbase lists the legal entity as Browser Use Inc. [Crunchbase]. The project was admitted to Y Combinator and is profiled there as a "leading open-source web agent project with 50k stars in 3 months" [Y Combinator].
The company's traction inflected sharply in early March 2025, when Browser Use surfaced as one of the underlying tools powering Manus. TechCrunch reported that daily downloads of Browser Use jumped from roughly 5,000 on March 3 to about 28,000 on March 10, 2025 [TechCrunch, March 2025]. On March 23, 2025, SiliconANGLE reported that the company had closed a $17 million seed round [SiliconANGLE, March 2025]. PitchBook lists total raised at approximately $17.5 million across 20 disclosed investors [PitchBook] [Crunchbase, March 2025].
As of the Y Combinator listing, Browser Use operates with seven employees from San Francisco [Y Combinator]. Public reporting on a third-party star tracker put the GitHub repository at 78,312 stars [openalternative.co].
Data Accuracy: GREEN -- Confirmed by Crunchbase, Y Combinator, SiliconANGLE and TechCrunch.
Under the Hood
Browser Use is a Python library and accompanying cloud service that lets a large language model control a real browser session. According to SiliconANGLE, the system "converts each website into structured text that large language models can process in a deterministic way," so that an agent reasoning over a page sees a parsed list of interactive elements rather than a raw screenshot or a freeform HTML blob [SiliconANGLE, March 2025]. The company's documentation describes the cloud offering as providing "state-of-the-art AI browser automation with stealth browsers, CAPTCHA solving, residential proxies, and managed infrastructure" [Browser Use].
The technical bet is meaningfully different from the screenshot-and-pixel approach taken by Anthropic's Computer Use. By contrast, Browser Use feeds the model a structured representation of clickable elements and form fields, which the company argues yields more reliable, repeatable behavior on production web tasks [SiliconANGLE, March 2025].
Data Accuracy: GREEN -- Confirmed by SiliconANGLE, TechCrunch, CO/AI and the company's documentation.
Market Research and Opportunity
The market for browser-controlling AI agents has moved from research demo to funded category in under twelve months. TechCrunch's coverage of Browser Use explicitly frames it as one of the tools "powering Manus" [TechCrunch, March 2025].
| Metric | Value |
|---|---|
| Daily downloads (March 3, 2025) | 5,000 |
| Daily downloads (March 10, 2025) | 28,000 |
| GitHub stars (3 months post-launch) | 50,000 |
| GitHub stars (later capture) | 78,312 |
Adjacent and substitute markets matter here because they bound the upside. The most direct adjacency is browser infrastructure-as-a-service, where Browserbase has raised meaningful capital. The most direct substitute is model-native computer control (Anthropic Computer Use, and by implication forthcoming OpenAI and Google equivalents).
Data Accuracy: YELLOW -- TechCrunch and Y Combinator confirm the demand metrics, market sizing is not available from a named third-party report in the captured set.
Competition and Substitutes
| Company | Positioning | Stage / Funding | Notable Differentiator |
|---|---|---|---|
| Browser Use | Open-source library plus hosted cloud for LLM-driven browser control | Seed, ~$17M | DOM parsed into structured text for deterministic LLM reasoning |
| Anthropic Computer Use | Model-native screen and input control via Claude | Part of Anthropic | Vision-based control bundled with the frontier model |
| Browserbase | Hosted headless browser infrastructure for agents | Venture-backed | Managed browser runtime sold as infrastructure primitive |
| Skyvern | Open-source browser automation agent | Early stage | Computer-vision plus LLM hybrid for web workflows |
| MultiOn | Consumer-facing AI web agent | Seed / Series A | End-user agent product rather than developer SDK |
Browser Use is unusual in that it spans the middle and infrastructure layers via its open-source library and hosted cloud product respectively [Browser Use]. Where the company has a defensible edge today is developer mindshare. Reaching 50,000 GitHub stars in three months and roughly 78,000 by a later capture creates a top-of-funnel that competitors with smaller open-source footprints cannot match [Y Combinator] [openalternative.co].
Data Accuracy: YELLOW -- Subject row confirmed by SiliconANGLE, competitor positioning corroborated by TechCrunch and PitchBook, but funding figures for several competitors are not in the captured facts.
Opportunity
If agents become a meaningful share of how knowledge work and consumer transactions get done online, the layer that lets those agents reliably operate the existing web is one of the most valuable pieces of infrastructure in the stack.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Default agent SDK | Browser Use becomes the standard import statement for any developer building a web-acting agent | Continued GitHub momentum and a v1.0 cloud GA with enterprise SLAs | 78,000+ stars and a quintupling of daily downloads in a single week |
| Embedded inside a frontier agent product | A major model lab or consumer agent product standardizes on Browser Use under the hood | Partnership or quiet integration with one of OpenAI, Anthropic, Google, or a Manus-scale consumer agent | Manus integration already happened and drove the March 2025 download spike |
| Enterprise browser-runtime category leader | The hosted cloud business wins enterprise RPA-replacement budgets | Reference customer deployments in financial services or e-commerce | Felicis explicitly framed its investment around "reliable web interaction" for production use |
Data Accuracy: GREEN -- Confirmed by SiliconANGLE, TechCrunch, Y Combinator, PitchBook and Felicis.
Sources
- [SiliconANGLE, March 2025] Browser Use raises $17M to help steer AI agents through the internet | https://siliconangle.com/2025/03/23/browser-use-raises-17m-help-steer-ai-agents-internet/
- [TechCrunch, March 2025] Browser Use, one of the tools powering Manus, is also going viral | https://techcrunch.com/2025/03/12/browser-use-one-of-the-tools-powering-manus-is-also-going-viral/
- [Y Combinator] Browser Use: Leading open-source web agent project with 50k stars in 3 months | https://www.ycombinator.com/companies/browser-use
- [Crunchbase] Browser Use Company Profile and Funding | https://www.crunchbase.com/organization/browser-use
- [Crunchbase, March 2025] Pre Seed Round - Browser Use - 2025-03-12 | https://www.crunchbase.com/funding_round/browser-use-pre-seed--327ba189
- [Crunchbase] Magnus Müller Person Profile | https://www.crunchbase.com/person/magnus-m%C3%BCller-3180
- [Crunchbase] Gregor Zunic Person Profile | https://www.crunchbase.com/person/gregor-zunic
- [PitchBook] Browser Use 2026 Company Profile: Valuation, Funding and Investors | https://pitchbook.com/profiles/company/739924-39
- [Browser Use, March 2025] We Raised $17M to Build the Future of Web for Agents | https://browser-use.com/posts/seed-round
- [Browser Use] Quick start - Browser Use Cloud | https://docs.browser-use.com/cloud/quickstart
- [Felicis] Felicis's Seed in Browser Use: Enabling AI Agents to Navigate the Web with Reliable Web Interaction | https://www.felicis.com/blog/investing-in-browser-use
- [CO/AI] Introducing Browser Use: a free, open-source web browsing agent | https://getcoai.com/news/introducing-browser-use-a-free-open-source-web-browsing-agent/
- [Startup Intros] Browser Use: Funding, Team and Investors | https://startupintros.com/orgs/browser-use
- [MK] Browser Use, a startup founded to expand the possibility of using artificial intelligence agents | https://www.mk.co.kr/en/it/11271566
- [LinkedIn] Browser Use Company Page | https://www.linkedin.com/company/browser-use
Articles about Browser Use
- Browser Use Wants Every AI Agent to Read the Web Like a Spreadsheet — The Y Combinator open-source project raised $17M in seed funding after daily downloads jumped from 5,000 to 28,000 in a week.