chroma-core/chroma · error · ValueError

Google Vertex only supports text documents, not images

Error message

Google Vertex only supports text documents, not images

What it means

Error "Google Vertex only supports text documents, not images" thrown in chroma-core/chroma.

Source

Thrown at chromadb/utils/embedding_functions/google_embedding_function.py:563

            project=project_id,
            location=region,
            request_metadata=[("x-goog-api-client", f"chroma/{__version__}")],
        )
        self._model = TextEmbeddingModel.from_pretrained(model_name)

    def __call__(self, input: Documents) -> Embeddings:
        """
        Generate embeddings for the given documents.

        Args:
            input: Documents or images to generate embeddings for.

        Returns:
            Embeddings for the documents.
        """
        # Google Vertex only works with text documents
        if not all(isinstance(item, str) for item in input):
            raise ValueError("Google Vertex only supports text documents, not images")

        embeddings_list: List[npt.NDArray[np.float32]] = []
        for text in input:
            embedding_result = self._model.get_embeddings([text])
            embeddings_list.append(
                np.array(embedding_result[0].values, dtype=np.float32)
            )

        # Convert to the expected Embeddings type (List[Vector])
        return cast(Embeddings, embeddings_list)

    @staticmethod
    def name() -> str:
        return "google_vertex"

    def default_space(self) -> Space:
        return "cosine"

View on GitHub (pinned to aecdd12c8a)

When it happens

Trigger: Thrown at chromadb/utils/embedding_functions/google_embedding_function.py:563 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of chroma-core/chroma@aecdd12c8a (2026-08-16). Data as JSON: /api/errors/e69cd6a74235c9d4. Report an issue: GitHub.