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ComparisonsJuly 24, 2025· 7 min read
Ferr vs Kernel
Two takes on browser infrastructure for agents, compared on the things that matter in production.
FT
Ferr Team
Developer Relations
Kernel and Ferr both aim to be the browser layer for agents. They make different bets, and the right choice depends on what you are optimizing for.
The differences that show up in production
- How sessions are observed and replayed
- How stealth is managed over time
- Whether you can run the browser yourself
Our bias, stated plainly
We built Ferr around openness and observability. If those are your top two constraints, we think you will be happy. If they are not, benchmark both on your own workload.
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