KERNEL
cloud browserPer second of active runtime only. A browser enters Standby 5 s after its last CDP / Live View activity and stops accruing cost.
Cost / task
$0.00300
at browser-agent task conditionsFree tier
Free: $0/mo with $5/month usage credits, 5 concurrent browsers, no credit card.kernel.sh (opens in new tab) · fetched 2026-10-17
Isolation
Managed cloud Chromium1kernel.sh (opens in new tab) · fetched 2026-10-17
Status
Changed Verified 2026-10-17 · pricing page (opens in new tab) · terms (opens in new tab) · Report bad data
- Isolation unverified. Isolation mechanism not documented on the pricing page.
Compared with other cloud browsers
cost per task at browser-agent task conditions
KERNEL in blue. Full ranking with sources on the compare page.
SDKs
TypeScript, Python, Go · kernel.sh (opens in new tab) · fetched 2026-10-17
Rates
list prices, default region
| Item | Rate | Fetched | Source |
|---|---|---|---|
| Headless browser | $0.0000167 /second | 2026-10-17 | kernel.sh (opens in new tab) |
| Headful browser | $0.000133 /second | 2026-10-17 | kernel.sh (opens in new tab) |
| Headful + GPU | $0.0008 /second | 2026-10-17 | kernel.sh (opens in new tab) |
Plans
| Plan | Monthly fee | Included | Concurrency | Max session | Source |
|---|---|---|---|---|---|
| Free | $0 | $5/mo credits | 5 | not listed | kernel.sh (opens in new tab) |
| Hobbyist | $30 | $10/mo credits | 10 | not listed | kernel.sh (opens in new tab) |
| Start-up | $200 | $50/mo credits | 150 | not listed | kernel.sh (opens in new tab) |
Limits
| Limit | Value | Source |
|---|---|---|
| Idle billing | Not billed after 5 s idle (Standby Mode) | kernel.sh (opens in new tab) |
Not yet verified
- Isolation mechanism not documented on the pricing page.
median 882 ms · p95 1,036 ms · 10/10 runs ok · n=10 · create + connect + page load · Startup board
Changes
- Changed
What changed in agent infra, weekly
Every pricing, plan, limit and terms change we detect for sandboxes and cloud browsers, with sources, plus the startup-time board. A 2-minute read, once a week. No vendor-paid content. More