BerriAI/litellm · error · NotImplementedError

AudioTranscriptionConfig needs a request transformation for

Error message

AudioTranscriptionConfig needs a request transformation for audio transcription models

What it means

Error "AudioTranscriptionConfig needs a request transformation for audio transcription models" thrown in BerriAI/litellm.

Source

Thrown at litellm/llms/base_llm/audio_transcription/transformation.py:69

    ) -> str:
        """
        OPTIONAL

        Get the complete url for the request

        Some providers need `model` in `api_base`
        """
        return api_base or ""

    @abstractmethod
    def transform_audio_transcription_request(
        self,
        model: str,
        audio_file: FileTypes,
        optional_params: dict,
        litellm_params: dict,
    ) -> AudioTranscriptionRequestData:
        raise NotImplementedError(
            "AudioTranscriptionConfig needs a request transformation for audio transcription models"
        )

    def transform_audio_transcription_response(
        self,
        raw_response: httpx.Response,
    ) -> TranscriptionResponse:
        raise NotImplementedError(
            "AudioTranscriptionConfig does not need a response transformation for audio transcription models"
        )

    def transform_request(
        self,
        model: str,
        messages: list[AllMessageValues],
        optional_params: dict,
        litellm_params: dict,
        headers: dict,

View on GitHub (pinned to 77b7c6c40c)

Solutions

1. Use a concrete AudioTranscriptionConfig subclass that implements the request transformation.

When it happens

Trigger: Thrown at litellm/llms/base_llm/audio_transcription/transformation.py:69 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of BerriAI/litellm@77b7c6c40c (2026-08-18). Data as JSON: /api/errors/1b3450e1ff5ca5c5. Report an issue: GitHub.