Browserbase vs Kernel

Browserbase and Kernel are closely matched on cold start and headline price. The decision comes down to isolation, session limits and ecosystem. Below: every spec that moves the decision, verified 2026-08-09.

	BRBrowserbase	KEKernel
Isolation	Cloud browser (isolated)	Cloud browser (isolated)
Cold start	n/a	n/a
Price / vCPU-hr	n/a	n/a
GPU	No	No
Session limit	Session-scoped	Reusable sessions
Persistence	Session replay + recording	Reusable sessions; session replays
MCP support	Yes	n/a
Free tier	Free (3 concurrent, 1 browser-hour, $5 model tokens)	Free ($5/mo credits, 5 concurrent browsers)
Best for	Teams building browser agents that need reliable cloud browsers with stealth and captcha handling.	Teams wanting fast, open-source cloud browsers with memory-based, idle-free pricing.

The verdict

Choose Browserbase for teams building browser agents that need reliable cloud browsers with stealth and captcha handling. Choose Kernel for teams wanting fast, open-source cloud browsers with memory-based, idle-free pricing.

Headline rates rarely equal your bill. Idle time, session length, creation fees and GPU minutes dominate. Model your actual workload in the cost calculator.

FAQ

Browserbase vs Kernel: which is better?

It depends on your priority. Browserbase is best for teams building browser agents that need reliable cloud browsers with stealth and captcha handling. Kernel is best for teams wanting fast, open-source cloud browsers with memory-based, idle-free pricing.

Is Browserbase or Kernel cheaper?

Pricing models differ; see each provider's page for current rates.

Still choosing between Browserbase and Kernel?

Tell us your workload and we'll point you to the better fit, then connect you with real pricing from the one you pick. No spam.