Browserbase

✓ Editorially verified

Headless browser infrastructure for AI agents

Freemium· Free ($0/mo, 3 concurrent browsers, 1 browser hour, 3 agent runs, 15-min sessions, no captcha) / Developer $20/mo (25 concurrent, 100 hrs then $0.12/hr, captcha auto) / Startup $99/mo (100 concurrent, 500 hrs then $0.10/hr, 30-day retention) / Scale custom (250+ concurrent, HIPAA BAA, SSO, DPA). Overages: search $7/1k, fetch $0.50-$7/1k, proxies $10-$12/GB.AgentsModel-agnostic via Model Gateway (OpenAI, Anthropic, Google, others)

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Best for

AI product teams building agents that must click through real websites, QA teams running LLM-authored end-to-end tests, and data teams extracting content from JS-heavy or authenticated pages.

Skip if

Simple static-HTML scraping (a plain HTTP client is cheaper), consumer users who want a no-code scraper UI, or hobby projects unwilling to move past the 15-minute free-tier session cap.

Browserbase is a managed headless-browser cloud built specifically for AI agents that need to drive real websites the way a human would. Instead of running Playwright or Puppeteer on your own VMs and fighting captchas, stealth fingerprints, session state, and residential proxies, you point your agent at Browserbase's API and get a sandboxed Chromium instance in seconds, complete with authenticated sessions, live viewer, session replays, structured logs, and captcha solving. It ships with the open-source Stagehand framework (act/observe/extract primitives on top of Playwright) so LLMs can describe intent in natural language rather than hand-writing selectors, and offers higher-level products for teams that don't want to script at all: Search APIs (Google-style web search built for agents), Fetch APIs (URL to clean structured data), fully managed Agents (prompt in, action out), a Model Gateway that routes across OpenAI, Anthropic, Google and others, and an Identity product that keeps logins persistent across runs. Typical customers are AI product teams shipping browser-using agents (Clay, Lovable, Ramp, Amplitude, DeepMind are named on the site), QA engineers running continuous end-to-end tests, and data teams extracting content from sites hidden behind auth or JS. Common workflows include filling out job or expense-report forms, scraping catalog prices at scale, verifying business listings, automating SaaS onboarding, and giving customer-support copilots the ability to click through legacy admin panels. Pricing is metered by concurrent browsers and browser hours with generous free tier for prototyping, and observability (rrweb-style replays, network logs, DOM snapshots) makes debugging failed runs materially easier than home-grown setups.

Editor's take

Browserbase is the closest thing to a default answer when an AI agent needs a real browser. Stagehand plus session replays turn what used to be a week of Playwright plumbing into an afternoon, and the observability alone justifies the price once you've spent a night debugging a headless run that failed silently. Watch the browser-hour meter carefully at scale.

— The AI Tool Bible editorial team

Pros

✅ Purpose-built for agent workloads: stealth Chromium, residential proxies, captcha solving, and session persistence are handled for you
✅ Stagehand SDK (open source) lets LLMs drive pages via act/observe/extract instead of brittle CSS selectors
✅ Best-in-class observability: session replays, network logs, and live viewer make agent debugging tractable
✅ Managed Agents, Search API, and Fetch API give teams three altitudes of abstraction from raw browsers to prompt-only
✅ Trusted at scale by well-known AI companies (Lovable, Clay, Ramp, DeepMind, Amplitude)
✅ Model Gateway lets you swap OpenAI/Anthropic/Google without changing agent code
✅ Free tier is real (3 concurrent browsers, 1,000 search + fetch calls) so you can prototype without a card

Cons

⚠️ Costs scale quickly for high-concurrency workloads once you exceed included browser hours, agent runs, and proxy bandwidth
⚠️ Free tier caps sessions at 15 minutes and disables captcha solving, so realistic testing needs a paid plan
⚠️ Vendor lock-in on the higher-level Agents/Fetch products; portable Playwright code lives at the lower layer
⚠️ Cold-start latency of a fresh browser instance is meaningful for user-facing, sub-second interactions
⚠️ Some anti-bot systems still catch managed cloud browsers despite fingerprint evasion, requiring custom proxy tuning
⚠️ Compliance features like HIPAA BAA, SSO, and DPA are gated to the custom-priced Scale tier

Use cases

AI web-browsing agentsLLM-driven end-to-end testingAuthenticated data extractionForm-filling automationPrice and inventory monitoringJob application automationSaaS onboarding automationBusiness-listing verificationCompetitive intelligence scrapingCustomer-support copilot actions