Kernel

kernel.sh · Compute · 1 record · JSON

Kernel Compute

caveatemailcardDrequest-rate

www.kernel.sh/pricing · browser host · compute/kernel · JSON · compare

Free tier	free: USD 0 a month plus usage, USD 5 of free credits a month, 5 concurrent browsers, unmarked mode, 3 managed auth connections unit mixed; metered on wall-clock; 'You can sign up without a credit card' is stated in the page FAQ
Price	none stated
Per-object cap	not applicable
Retention	session replays are kept 1 day on free, 7 days on hobbyist and 30 days on start-up (1 days)
Egress	usage is USD 0.0000166667 per GB-second with no charge for idle time or proxies free_allowance: within USD 5 of credit
Identity	email 'You can sign up without a credit card and get started right away', quoted
Limits	per-object-cap USD 5 of credit a month on free; 5 concurrent browsers source retention-clamped session replays kept 1 day on free source hobbyist is USD 30 a month with USD 10 of credit and unlimited proxy use
Binding	request-rate USD 5 of monthly credit at a GB-second rate is spent by page weight, so the credit is the allowance and page size decides how fast
Interface	rest, cli REST API and SDKs; a browser session with live view
Tooling	Kernel SDK and REST; Playwright over CDP; live view of a session
Composes with	GB-second billing with no idle charge makes a held session cheap when it is doing nothing
Reliability	no reliability event recorded
Notes	USD 5 a month recurring, no card, and unmarked mode included on the free plan. The GB-second unit makes the cost depend on page weight rather than time, which is unusual in this class.
Evidence rung	documented
Checked	2026-10-22 (live); stale on 2026-11-21
Parsed numbers	`$.extras.m10h_usd` price USD30.0 / month `$.extras.m24h_usd` price USD30.0 / month

Evidence (2)

date	source	what it proved
2026-10-22	www.kernel.sh/pricing	free: USD 5 of credits a month, 5 concurrent browsers, session replays 1 day, 3 managed auth connections
2026-10-22	www.kernel.sh/pricing	usage is USD 0.0000166667 per GB-second with no charges for idle time or proxies

More fields (13)

{
 "shape": {
  "vcpu": null,
  "ram_gib": null,
  "disk_gib": null,
  "gpu_class": null,
  "gpu_count": null
 },
 "billing_model": "wall-clock",
 "granularity": {
  "min_billed_s": 1,
  "rounding_s": 1
 },
 "session_cap": {
  "wall_clock_min": null,
  "idle_reap_s": null,
  "restart_required": false,
  "note": "no idle charge"
 },
 "keep_rate": {
  "value": 0.0,
  "basis": "no charges for idle time",
  "source": "https://www.kernel.sh/pricing"
 },
 "persistent_storage": {
  "included_gib": null,
  "price_gib_month": null,
  "durability": "replays kept 1 day",
  "survives_stop": null,
  "survives_destroy": false,
  "max_retention": "1 day"
 },
 "network_out": {
  "allow_outbound": true,
  "allow_inbound_listen": false,
  "ports": "CDP",
  "static_ip": null,
  "ipv6": null,
  "per_session_bytes": null
 },
 "free_tier_kind": "recurring-credit",
 "m10h_usd": 30.0,
 "m24h_usd": 30.0,
 "price_note": "Hobbyist at USD 30 a month includes USD 10 of credit and unlimited proxy; usage is USD 0.0000166667 per GB-second, so a 300-hour run depends on page weight and not on time.",
 "price_basis": "300 and 730 BROWSER HOURS, not a 2 vCPU shape. A browser host sells minutes of a remote browser, so these rows are not comparable with a sandbox row.",
 "burst_x": 1.0
}

Unknown or withheld values (3)

$.per_object_cap.notes process
$.per_object_cap.stated not-applicable
$.reliability_note none-observed