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feat: add cost field to providerMetadata usage #40

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Merged
requesty-JohnCosta27 merged 1 commit into from
May 15, 2026
Merged

feat: add cost field to providerMetadata usage #40

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5 changes: 5 additions & 0 deletions src/integration/chat.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,11 @@ describe('Requesty Integration - Chat', () => {
inputTokens: 10,
outputTokens: 9,
totalTokens: 19,
raw: {
prompt_tokens: 10,
completion_tokens: 9,
total_tokens: 19,
},
})
})

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34 changes: 21 additions & 13 deletions src/requesty-chat-language-model.ts
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Expand Up @@ -205,20 +205,27 @@ export class RequestyChatLanguageModel implements LanguageModelV2 {
throw new Error('No choice in response')
}

const providerMetadata = response.usage?.prompt_tokens_details
? ({
requesty: {
usage: {
cachingTokens:
response.usage.prompt_tokens_details
.caching_tokens ?? 0,
cachedTokens:
response.usage.prompt_tokens_details
.cached_tokens ?? 0,
const hasPromptTokensDetails = response.usage?.prompt_tokens_details
const hasCost = response.usage?.cost != null

const providerMetadata =
hasPromptTokensDetails || hasCost
? ({
requesty: {
usage: {
cachingTokens:
response.usage?.prompt_tokens_details
?.caching_tokens ?? 0,
cachedTokens:
response.usage?.prompt_tokens_details
?.cached_tokens ?? 0,
...(hasCost
? { cost: response.usage!.cost }
: {}),
},
},
},
} satisfies SharedV2ProviderMetadata)
: undefined
} satisfies SharedV2ProviderMetadata)
: undefined

// Convert to content format
const content: Array<LanguageModelV2Content> = []
Expand Down Expand Up @@ -428,6 +435,7 @@ export const RequestyStreamChatCompletionChunkSchema = z.object({
cached_tokens: z.number().optional(),
})
.optional(),
cost: z.number().optional(),
})
.optional(),
error: z.any().optional(),
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10 changes: 7 additions & 3 deletions src/stream/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ function handleUsageChunk(

const requestyUsage: Partial<RequestyUsage> = {
cachingTokens: usage.prompt_tokens_details?.caching_tokens ?? 0,
...(usage.cost != null ? { cost: usage.cost } : {}),
}

return [modelUsage, requestyUsage]
Expand Down Expand Up @@ -307,14 +308,17 @@ export const createFlush = ({
const providerMetadata: SharedV2ProviderMetadata = {
requesty: {
usage:
currentRequestyUsage.cachedTokens &&
currentRequestyUsage.cachingTokens
currentRequestyUsage.cachedTokens ||
currentRequestyUsage.cachingTokens ||
currentRequestyUsage.cost != null
? currentRequestyUsage
: {},
},
}

const hasProviderMetadata = providerMetadata.requesty?.usage
const hasProviderMetadata =
providerMetadata.requesty?.usage &&
Object.keys(providerMetadata.requesty.usage).length > 0

const currentFinishReason = finishReason.get()
const currentUsage = usage.get()
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1 change: 1 addition & 0 deletions src/types.ts
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Expand Up @@ -42,6 +42,7 @@ export type RequestySharedSettings = RequestyProviderOptions & {
export type RequestyUsage = {
cachingTokens?: number
cachedTokens?: number
cost?: number
}

export type RequestyProviderMetadata = {
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