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* AI model pricing configuration.
*
* Prices are applied at query time for cost estimation — NOT stored in the DB.
* Update this file when provider prices change.
*
* All prices in USD.
*/
interface TokenPricing {
/** Price per 1M input tokens */
inputPerMillion: number
/** Price per 1M output tokens */
outputPerMillion: number
/** Price per 1M reasoning tokens (if applicable) */
reasoningPerMillion?: number
}
interface ImagePricing {
/** Price per image generated */
perImage: number
}
interface AudioPricing {
/** Price per minute of audio */
perMinute: number
}
interface CharacterPricing {
/** Price per 1M characters */
perMillionCharacters: number
}
type PricingEntry =
| { type: 'tokens'; pricing: TokenPricing }
| { type: 'image'; pricing: ImagePricing }
| { type: 'audio'; pricing: AudioPricing }
| { type: 'characters'; pricing: CharacterPricing }
/**
* Pricing table keyed by `${provider}/${model}` or `${provider}/${apiType}`.
*
* When looking up pricing, we try specific model first, then fall back to apiType.
*/
export const PRICING: Record<string, PricingEntry> = {
// --- OpenAI LLM (Responses API / Chat Completions) ---
'openai/gpt-5': {
type: 'tokens',
pricing: { inputPerMillion: 2, outputPerMillion: 8 },
},
'openai/gpt-5.2': {
type: 'tokens',
pricing: { inputPerMillion: 2, outputPerMillion: 8, reasoningPerMillion: 8 },
},
'openai/gpt-4o-mini': {
type: 'tokens',
pricing: { inputPerMillion: 0.15, outputPerMillion: 0.6 },
},
// --- OpenAI Realtime ---
'openai/gpt-realtime-1.5': {
type: 'audio',
pricing: { perMinute: 0.066 }, // audio input; output is ~$0.132/min
},
// --- OpenAI TTS ---
'openai/gpt-4o-mini-tts': {
type: 'characters',
pricing: { perMillionCharacters: 12 },
},
// --- OpenAI Image ---
'openai/gpt-image-1': {
type: 'image',
pricing: { perImage: 0.04 }, // varies by quality/size
},
// --- OpenAI Embeddings ---
'openai/text-embedding-3-large': {
type: 'tokens',
pricing: { inputPerMillion: 0.13, outputPerMillion: 0 },
},
// --- Google Gemini ---
'gemini/gemini-2.5-flash-image': {
type: 'image',
pricing: { perImage: 0.039 },
},
'gemini/gemini-3-pro-image-preview': {
type: 'image',
pricing: { perImage: 0.039 },
},
// --- ElevenLabs ---
'elevenlabs/music_v1': {
type: 'audio',
pricing: { perMinute: 0.3 }, // estimate
},
}
/**
* Estimate the cost of a single usage record.
*
* Returns null if pricing is not configured for this provider/model.
*/
export function estimateCost(record: {
provider: string
model: string
apiType: string
inputTokens?: number | null
outputTokens?: number | null
reasoningTokens?: number | null
imageCount?: number | null
inputCharacters?: number | null
audioDurationSeconds?: number | null
}): number | null {
const key = `${record.provider}/${record.model}`
const entry = PRICING[key]
if (!entry) return null
switch (entry.type) {
case 'tokens': {
const input = (record.inputTokens ?? 0) / 1_000_000
const output = (record.outputTokens ?? 0) / 1_000_000
const reasoning = (record.reasoningTokens ?? 0) / 1_000_000
return (
input * entry.pricing.inputPerMillion +
output * entry.pricing.outputPerMillion +
reasoning * (entry.pricing.reasoningPerMillion ?? entry.pricing.outputPerMillion)
)
}
case 'image':
return (record.imageCount ?? 0) * entry.pricing.perImage
case 'audio':
return ((record.audioDurationSeconds ?? 0) / 60) * entry.pricing.perMinute
case 'characters':
return ((record.inputCharacters ?? 0) / 1_000_000) * entry.pricing.perMillionCharacters
}
}
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