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Show GB-hour billing model on pricing page #508

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19 changes: 14 additions & 5 deletions info/pricing.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,20 @@ With Kernel, you only pay for what you use and nothing more. You don't pay for i

## Pricing

| Browser type | Price ($/sec) |
Kernel bills browser usage by the memory a session uses and its compute type—standard or GPU-accelerated—per GB-hour. The rate is the same on the Developer, Hobbyist, and Start-Up plans.

| Compute type | Price |
| --- | --- |
| Headless | 0.0000166667 |
| Headful | 0.0001333336 |
| Headful + GPU acceleration | 0.0008000016 |
| Standard | $0.06 / GB-hour ($0.0000166667 / GB-second) |
| GPU-accelerated | $0.48 / GB-hour ($0.0001333336 / GB-second)—8x the standard rate |

Each browser type has a fixed memory allocation, so you can estimate a session's cost as memory x the rate above:

| Browser type | Memory | Example cost |
| --- | --- | --- |
| Headless | 1 GB | ~$0.06 / hour |
| Headful | 8 GB | ~$0.48 / hour |
| Headful + GPU acceleration | 6 GB | ~$2.88 / hour |

> Note: GPU acceleration is only available on headful, on-demand browsers. Standby mode is not supported for GPU-accelerated browsers.

Expand Down Expand Up @@ -66,7 +75,7 @@ Kernel enforces a single concurrency limit covering all browsers you run at once

## Browser pools

With Browser Pools, you pay the standard usage-based price per GB-second while browsers are running. Idle browsers in a pool incur no disk charges—you only pay when a browser is actively in use.
With Browser Pools, you pay the standard rate above ($0.06 / GB-hour) while browsers are running. Idle browsers in a pool incur no disk charges—you only pay when a browser is actively in use.

GPU acceleration is not available for browser pools.
> Note: A [browser pool](/browsers/pools) counts toward your concurrency limit whether or not its browsers are currently acquired — a browser pool sized to 40 browsers uses 40 of your limit. Browser pools are available on Start-Up and Enterprise plans.
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12 changes: 7 additions & 5 deletions snippets/calculator.jsx
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Expand Up @@ -4,8 +4,9 @@ const { Card, Columns } = MintlifyComponents;
export const PricingCalculator = () => {
const defaults = { plan: 'free', browserType: 'headless', avgSessionLength: 30, numSessions: 100 };
const planPrices = { free: 0, hobbyist: 30, startup: 200 };
const usagePrices = 0.0000166667;
const browserMultipliers = { headless: 1, headful: 8, gpu: 48 };
const standardRatePerGBSecond = 0.0000166667; // $0.06/GB-hour
const gpuRatePerGBSecond = standardRatePerGBSecond * 8; // $0.48/GB-hour
const browserMemoryGiB = { headless: 1, headful: 8, gpu: 6 };

const [plan, setPlan] = useState(defaults.plan);
const [browserType, setBrowserType] = useState(defaults.browserType);
Expand Down Expand Up @@ -43,8 +44,9 @@ export const PricingCalculator = () => {
};

var price = planPrices[plan];
var multiplier = browserMultipliers[browserType];
var usageCost = usagePrices * multiplier * numSessions * avgSessionLength;
var ratePerGBSecond = browserType === 'gpu' ? gpuRatePerGBSecond : standardRatePerGBSecond;
var pricePerSecond = ratePerGBSecond * browserMemoryGiB[browserType];
var usageCost = pricePerSecond * numSessions * avgSessionLength;

var includedUsageCredits = 5;
if (plan === 'hobbyist') {
Expand Down Expand Up @@ -109,7 +111,7 @@ export const PricingCalculator = () => {
</div>
<div style={rowStyle}>
<span style={{ width: '100%', fontSize: '0.8rem', fontStyle: 'italic' }}>
${(usagePrices * multiplier).toFixed(8)}/second
{browserMemoryGiB[browserType]} GB x ${ratePerGBSecond.toFixed(8)}/GB-sec = ${pricePerSecond.toFixed(8)}/second
{browserType === 'gpu' && <span style={{ marginLeft: '0.5rem' }}>(Startup tier required)</span>}
</span>
</div>
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