logging.info(
        "%(source)s call completed, %(input_tk)i input tk, %(output_tk)i output tk (model %(model)s, cost $%(cost).4f, time %(time).1f sec, prompt_code %(prompt_code)s)",
        {
            "source": self.source,
            "input_tk": self.input_tokens or 0,
            "output_tk": self.output_tokens or 0,
            "model": self.model,
            "cost": self.cost,
            "time": self.timer.elapsed_seconds if self.timer else 0,
            "prompt_code": self.prompt_code or "-",
        },
    )