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Apply service tier pricing (#675)

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Markus Ylisiurunen 2026-01-13 00:56:51 +02:00 • committed by GitHub
parent 7b2c627079
commit 4f216d318f
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1 changed files with 24 additions and 0 deletions
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24
packages/ai/src/providers/openai-responses.ts
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@ -24,6 +24,7 @@ import type {
ThinkingContent,
Tool,
ToolCall,
Usage,
} from "../types.js";
import { AssistantMessageEventStream } from "../utils/event-stream.js";
import { parseStreamingJson } from "../utils/json-parse.js";
@ -277,6 +278,7 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
};
}
calculateCost(model, output.usage);
applyServiceTierPricing(output.usage, response?.service_tier ?? options?.serviceTier);
// Map status to stop reason
output.stopReason = mapStopReason(response?.status);
if (output.content.some((b) => b.type === "toolCall") && output.stopReason === "stop") {
@ -552,6 +554,28 @@ function convertTools(tools: Tool[]): OpenAITool[] {
}));
}
function getServiceTierCostMultiplier(serviceTier: ResponseCreateParamsStreaming["service_tier"] | undefined): number {
switch (serviceTier) {
case "flex":
return 0.5;
case "priority":
return 2;
default:
return 1;
}
}
function applyServiceTierPricing(usage: Usage, serviceTier: ResponseCreateParamsStreaming["service_tier"] | undefined) {
const multiplier = getServiceTierCostMultiplier(serviceTier);
if (multiplier === 1) return;
usage.cost.input *= multiplier;
usage.cost.output *= multiplier;
usage.cost.cacheRead *= multiplier;
usage.cost.cacheWrite *= multiplier;
usage.cost.total = usage.cost.input + usage.cost.output + usage.cost.cacheRead + usage.cost.cacheWrite;
}
function mapStopReason(status: OpenAI.Responses.ResponseStatus | undefined): StopReason {
if (!status) return "stop";
switch (status) {