Browserbase
Headless browser infrastructure that gives AI agents reliable web access
Last reviewed 2026-06-19
Browserbase is cloud infrastructure that runs real, headless web browsers for AI agents and automation software. Instead of teams managing their own browser fleets, it provides managed browser sessions plus supporting primitives: web data APIs, runtime sandboxes, identity and authentication handling, a model gateway, and observability. The pitch is to make the web as reliable and programmable as APIs for software that needs to navigate sites, log in, fill forms, handle CAPTCHAs, and extract data at scale. Browserbase is best known for two adjacent products. Stagehand is an open-source (MIT) AI browser-automation framework that controls browsers with a mix of natural language and code, and is model-agnostic across Node.js and Python. Director is a no-code product that turns plain-English prompts into repeatable browser agents, generates the underlying Stagehand scripts, and deploys them on Browserbase. The company also ships an MCP server. Its target users are developers and companies building AI agents or web-automation workflows.
What it can do
Run managed cloud browser sessions
SupervisedSpins up real headless Chromium sessions in the cloud with concurrency scaling for agents to drive.
sourceAutomate browsers with natural language via Stagehand
SupervisedOpen-source primitives (act, extract, observe, agent) drive a browser with natural language plus code, with caching and self-healing fallbacks.
sourceBuild no-code browser agents with Director
SupervisedTurns a plain-English prompt into a repeatable multi-step browser agent and exports executable Stagehand code.
sourceExpose browser control to LLMs over MCP
SupervisedAn MCP server lets MCP-compatible clients click, fill, screenshot, and extract via natural language.
source
Strengths
- +Removes the operational burden of running and scaling real browser fleets (concurrency, proxies, auth, CAPTCHA)
- +Ships a popular open-source framework (Stagehand) and is model-agnostic, reducing LLM-layer lock-in
- +Spans the full stack from raw infrastructure to no-code agent building (Director) with MCP support
Limitations
- −Browser automation against changing, anti-bot, or CAPTCHA-protected sites is inherently brittle
- −Usage-based pricing (browser hours, search/fetch calls, proxy data) can make costs hard to predict at scale
- −Young company (founded 2024) with unproven enterprise longevity
Overview
Browserbase is cloud infrastructure that runs real headless browsers for AI agents and web automation. Rather than building this directly, agent developers use it to get reliable, scalable browser sessions plus web-data APIs, auth handling, and observability. Founded in 2024, it is best known for the open-source Stagehand framework and the no-code Director product.
What it does
Browserbase spins up managed Chromium sessions with concurrency scaling. Stagehand drives browsers with natural-language primitives (act, extract, observe, agent) plus code, with caching and self-healing fallbacks. Director turns plain-English prompts into repeatable browser agents and exports Stagehand code. An MCP server exposes browser control to MCP-compatible LLM clients. As infrastructure, the autonomy of what you build on it ranges from supervised to autonomous depending on the app.
Integrations & setup
It is model-agnostic via a model gateway (one key for multiple LLMs) and works with Stagehand, Director, MCP clients, and CDP-based automation. It exposes REST APIs for sessions and web data.
Pricing
Usage-based with subscription tiers: Free, Developer at $20/mo, Startup at $99/mo, and custom Scale and Enterprise (HIPAA BAA, DPA, SSO). Costs scale with browser hours, search/fetch calls, and proxy data.
Best for / not for
Best for developers and companies building agents that need to operate browsers reliably at scale. Less suited to teams that only need a single, simple scrape and want flat pricing.
Traction
Browserbase raised a $40M Series B in June 2025 (led by Notable Capital), launched alongside Director. Reported customers include Perplexity, Vercel, and 11x; some traction figures circulating publicly are third-party estimates.
Alternatives
Skyvern and MultiOn target browser-based task automation; Browserbase sits one layer lower as the infrastructure many such agents run on.
What people are saying
We aggregate real LinkedIn discussion into sentiment for the agents people search most. Browserbase isn't tracked yet, want it added? Request tracking.
FAQ
What is Browserbase used for?+
It provides managed cloud browser sessions and web-data APIs so AI agents and automation software can reliably navigate sites, log in, fill forms, handle CAPTCHAs, and extract data without running their own browser infrastructure.
What is Stagehand?+
Stagehand is Browserbase's open-source (MIT) browser-automation framework that controls browsers with a mix of natural language and code, and is model-agnostic across Node.js and Python.
Sources
- Browserbase (official site) · accessed 2026-06-19
- Browserbase launches Director; announces $40M Series B (PR Newswire) · accessed 2026-06-19
- Stagehand (GitHub) · accessed 2026-06-19
- Browserbase pricing · accessed 2026-06-19
Last reviewed 2026-06-19