VertexAI

The name of the Vertex AI text completion model.

The name of a tuned model.

If tuned_model_name is passed model_name will be used to determine the model family

Output response MIME type of the generated candidate text.

Supported MIME type:

• 'text/plain': (default) Text output.
• 'application/json': JSON response in the candidates.
• 'text/x.enum': Enum in plain text.

The model also needs to be prompted to output the appropriate response type, otherwise the behavior is undefined.

This is a preview feature.

Enforce a schema to the output.

The format of the dictionary should follow Open API schema.

Get the namespace of the langchain object.

Validate that the python package exists in environment.

Get the number of tokens present in the text.

Useful for checking if an input will fit in a model's context window.