Function openAiCost

lib/utils.ts:98–129

(
  messages: ChatGPTMessage[],
  put: "in" | "out",
  model: string,
)

}

export function openAiCost(
  messages: ChatGPTMessage[],
  put: "in" | "out",
  model: string,
): number {
  let costPerThousand;

  switch (put) {
    case "in":
      costPerThousand = model.startsWith("ft:gpt-3.5-turbo-0613")
        ? 0.003
        : model === "gpt-3.5-turbo-16k"
        ? 0.0005
        : model.includes("gpt-3.5")
        ? 0.0005
        : 0.03;
      break;
    case "out": {
      costPerThousand = model.startsWith("ft:gpt-3.5-turbo-0613")
        ? 0.006
        : model === "gpt-3.5-turbo-16k"
        ? 0.0015
        : model.includes("gpt-3.5")
        ? 0.0015
        : 0.06;
    }
  }

  const nTokens = getTokenCount(messages);
  // For the 8k context model
  return nTokens * (costPerThousand / 1000);
}

export function getTokenCount(prompt: ChatGPTMessage[] | string): number {
  let chatGptMessages: ChatMessage[];