Browserbase vs Tabstack
A side-by-side comparison of Browserbase and Tabstack, two Infra tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
The honest brief
Browserbase
Managed stealth-browser fleet (proxies + CAPTCHA solving) drivable by Playwright or its open-source Stagehand framework.
- Managed fleet scales to many sessions
- Drivable via Stagehand framework
- Works with Playwright/Puppeteer
- Session observability and replay
- Usage-based cost on a monthly base
- Free tier just 1 browser hour
- Infra layer — you still write the agent
Tabstack
Mozilla-backed and escalates from cheap fetch to full automation only when a page demands it — paying for a browser only when you need one.
- Single API for extract, generate, and automate
- Markdown/JSON output tuned for LLM context
- Open-source engine (Pilo, Apache-2.0)
- Free tier with 10,000 credits
- Hosted service is proprietary (only the engine is OSS)
- Credit-based pricing can be hard to forecast
- Newer entrant vs. established browser-infra players