/**
* Cost estimation for different search providers
* Based on published pricing as of implementation date
*/
export interface ProviderPricing {
freeTierQueries: number; // Free queries per billing period
billingPeriod: 'day' | 'month'; // Billing period type
costPerQuery: number; // Cost per query after free tier (USD)
currency: string; // Currency (USD)
}
/**
* Pricing information for each provider
* Updated: 2025-01
*/
export const PROVIDER_PRICING: Record<string, ProviderPricing> = {
google: {
freeTierQueries: 100,
billingPeriod: 'day',
costPerQuery: 0.005, // $5 per 1,000 queries
currency: 'USD'
},
brave: {
freeTierQueries: 2000,
billingPeriod: 'month',
costPerQuery: 0.0006, // $3 per 5,000 queries = $0.0006/query
currency: 'USD'
},
tavily: {
freeTierQueries: 1000,
billingPeriod: 'month',
costPerQuery: 0.0075, // $30 per 4,000 queries = $0.0075/query
currency: 'USD'
}
};
/**
* Calculate estimated cost for a provider based on usage
*/
export function estimateCost(provider: string, queryCount: number): number {
const pricing = PROVIDER_PRICING[provider.toLowerCase()];
if (!pricing) {
// Unknown provider, estimate $0
return 0;
}
// If within free tier, cost is $0
if (queryCount <= pricing.freeTierQueries) {
return 0;
}
// Calculate paid queries
const paidQueries = queryCount - pricing.freeTierQueries;
const cost = paidQueries * pricing.costPerQuery;
// Round to 4 decimal places
return Math.round(cost * 10000) / 10000;
}
/**
* Format cost as currency string
*/
export function formatCost(cost: number, currency: string = 'USD'): string {
return new Intl.NumberFormat('en-US', {
style: 'currency',
currency: currency,
minimumFractionDigits: 2,
maximumFractionDigits: 4
}).format(cost);
}
/**
* Get free tier information for a provider
*/
export function getFreeTierInfo(provider: string): { limit: number; period: string } | null {
const pricing = PROVIDER_PRICING[provider.toLowerCase()];
if (!pricing) {
return null;
}
return {
limit: pricing.freeTierQueries,
period: pricing.billingPeriod
};
}
/**
* Calculate days in current billing period
*/
export function getDaysInBillingPeriod(provider: string): number {
const pricing = PROVIDER_PRICING[provider.toLowerCase()];
if (!pricing) {
return 30; // Default to monthly
}
if (pricing.billingPeriod === 'day') {
return 1;
}
// For monthly, calculate days in current month
const now = new Date();
const year = now.getFullYear();
const month = now.getMonth();
const daysInMonth = new Date(year, month + 1, 0).getDate();
return daysInMonth;
}
