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Kernel

Fast-starting browsers plus a runtime for deploying browser agents

onkernel.comdocs.onkernel.comgithub.com/onkernel/kernel-images
Overall in browser apis
5of 14 · score 86.6
Data coverage
96%
25 of 26 fields sourced

Best for

  • •Latency-sensitive agent loops with chatty CDP traffic
  • •Teams happy to deploy agent code onto the vendor's runtime
  • •Debugging-heavy workloads that lean on replays

Strong on

  • +Session replay Yes 1/14
  • +Browser regions us-east, eu-west, ap-southeast 3/12

Weak on

  • −GitHub stars 1,128 9/10
    Better: Browser Use: 120,216

vs Browserbase

  • •Ahead on Open-source core: Partial vs No
  • •Ahead on Cold start: 30ms vs 1s
  • •Behind on CAPTCHA solving: Partial vs Yes
  • •Behind on Funding stage: seed vs series-b

How Kernel scores among 14 browser apis25 of 26 fields known

Reliability & anti-bot5

Anti-bot pass rate
—
Stealth mode1st
Yes
1/14
kernel.sh · 2026-07-01
CAPTCHA solving
Partial
9/14
Leader: Browserbase · Yes
Residential proxy
metered-extra
4/14
Leader: Airtop · included
Cold start
30ms
1/4
kernel.sh · 2026-11-07

Features10

CDP endpoint1st
Yes
1/14
docs.onkernel.com · 2026-07-01
Playwright1st
Yes
1/14
kernel.sh · 2026-07-01
Puppeteer1st
Yes
1/14
kernel.sh · 2026-07-01
Session persistence1st
Yes
1/14
kernel.sh · 2026-07-01
Live view1st
Yes
1/14
kernel.sh · 2026-07-01
Session replay1st
Yes
1/14
kernel.sh · 2026-07-01
Max concurrency1st
150 sessions
1/13
kernel.sh · 2026-11-07
File downloads1st
Yes
1/14
Chrome extensions1st
Yes
1/12
Browser regions3rd
us-east, eu-west, ap-southeast
3/12
Leader: Hyperbrowser · us-central, us-east, us-west, europe-west, asia-south
kernel.sh · 2026-11-07

Agentic3

Agent API
Partial
4/14
Leader: Hyperbrowser · Yes
MCP server1st
Yes
1/14
Human handoff
Partial
5/14
Leader: Browserless · Yes

Pricing3

Pricing model1st
per-hour
1/14
Per browser-hour
$0.06/browser-hour
5/9
Leader: ZenRows · $0/browser-hour
kernel.sh · 2026-11-07
Free tier1st
Yes
1/14

Traction3

GitHub stars
1,128
9/10
Leader: Browser Use · 120,216
github.com · 2026-11-07
Funding stage
seed
8/14
Leader: Cloudflare Browser Rendering · public
Open-source core
Partial
5/14
Leader: Browserless · Yes

Positioning2

Positioning
Browsers and a runtime for deploying browser agents
Launched1st
2024
1/14

Alternatives8

Compare

Sources11

Kernel logo & brand colours

Logo assets

LogoSVG
Download
MonochromeSVG
Kernel logo

Flattened to currentColor, what Toolweight renders in tables and nav.

Download

Kernel brand colours

#81B300
#1C2024